Characters / Blue Bloods

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The Reagan Family

    In General
From the far left to the far right: Jamie, Nicky, Erin, Frank, Linda, Danny, Jack, Sean and Henry.

The main family of the series.
  • Action Girl: The Reagan women do get kidnapped from time to time but they never go down without a fight.
  • Always Gets His Man: A family variant. No matter who they're up against, they always get the bad guy.
  • Badass Family: Henry's response to one of Danny's kids asking if a robber would target them says it all:
    Henry: Are you kiddin'? He'd get one look at this table and run the other way.
  • Crazy-Prepared: Three generations of Reagan kids have grown up learning that "Please don't hurt my family" is Reagan-code for "Hit the floor NOW, Daddy's gotta shoot the bad guy!"
  • Drives Like Crazy: After Nicky bails from having Erin teach her to drive because she can't deal with her mom's, erm, style, Frank points out that almost everyone in the family is a bad driver: Henry gave up the keys after smacking his fender on the garage too many times, Erin rages at other drivers and leans on the horn, Frank is out of practice because as Commissioner he never drives himself, and Danny apparently once got a ticket for doing 80 mph in a 25 mph zone. It's Jamie who gets saddled with the job of Nicky's driving coach.
  • Four-Philosophy Ensemble: Danny is the Cynic, Erin is the Idealist, Frank is the Realist, Jamie and Nicky are The Conflicted.
  • Officer O'Hara: Averted mostly, but they are Irish-Americans.
  • Pride: It's a family trait; all of the Reagans always have to be right about everything even if it puts them in conflict with each other.
  • Real Men Love Jesus: Everyone of them has a revered love of Christ.
  • Red Oni, Blue Oni: Lampshaded by Henry who claims all his maternal line are stoics and all the paternal line Hot-Blooded.
  • Semper Fi: Henry, Frank and Danny are all marine corps veterans from Korea, Vietnam and Iraq respectively.
  • Two First Names: The family name "Reagan" can be used as a first name.

    Commissioner Frank Reagan
Played by Tom Selleck

Head of the Reagan family and the NYPD. A stern but fair man, Frank Reagan often has to deal with the complexities and
  • Action Dad: He may be the police commissioner, but he was still a member of New York's Finest and is not averse to getting his hands dirty.
  • All of the Other Reindeer: "Mercy" reveals that Frank felt like an outsider among his fellow officers since his father was the police commissioner at the time, a feeling that's only increased now that he's actually the commissioner himself.
  • Always Gets His Man: Oh yes. If you've done wrong on his watch he will find a way to get you, and he'll do it by the book. If by some miracle the guilty party manages to slip out of getting caught, Frank is a patient man. The next time they slip up, he'll be waiting for them.
  • Badass Grandpa: A grandfather of three and someone not to underestimate.
  • Badass in a Nice Suit: Invariably wears very snazzy three-piece suits while at work, and once kills a man for putting a gun to Erin's head while wearing it.
  • Badass Mustache: Wouldn't be a Tom Selleck role without it.
  • Badass Pacifist: In "Family Business" he managed to get an officer to stop his suicide attempt with only a few words.
  • Berserk Button: Frank loathes Dirty Cops. He considers them a disgrace to good police in general and the NYPD in particular, due to the damage they do to public trust, and then a group of them made it personal by murdering Joe. What's notable is how low-key he is about it. He doesn't raise his voice and his expression barely changes even though it's abundantly clear how furious he is. When he confronted the ones responsible for Joe's death at the end of the first season, it's almost terrifying how calm he looks during the entire exchange. He only loses his cool for a moment when he knocks some things off the top of a cabinet, which is also one of the few times he raises his voice. He's not shouting either, he raises it the way people do when they want to make sure they're heard.
  • Beware the Nice Ones: Do NOT hurt a member of his family. He'll put you down without a word.
  • By-the-Book Cop: Frank firmly believes that the rules are there for a good reason, and stresses that a cop who follows them will do more good than by ignoring them. There are several occasions where he's seen reviewing methods and procedures with his lieutenants to see what's working and what needs to be overhauled. The book is there to help officers do their jobs correctly, and if something new will help with that then he makes sure the books are modified to incorporate it.
  • Can't Take Criticism: His main fault: Frank gets all defensive when anyone from from City Hall dares to criticize his department. It's one of the reasons why he's unpopular there, with the exception of Mayor Carter Poole. On the flip side, Frank is much more willing to take criticism from fellow NYPD personal instead.
  • Change the Uncomfortable Subject: Virtually every time a family-dinner argument reaches the point where he's asked to take sides, Frank opts out of doing so by complimenting the food or asking someone to pass him a dish.
  • The Chains of Commanding: Being the Commissioner and having to deal with all of the political juggling and media attention it entails clearly takes it toll on Frank as the show progresses. It's implied in Season 6 that he wants out of the job, but his sense of public duty prevents him from actually resigning, but if the Mayor actually fired him he wouldn't be too upset.
  • Character Tics: According to Danny, his voice goes up a pitch whenever he's worried about one of his kids.
  • Chick Magnet: Throughout the series, Frank has attracted a number of women (old and young).
  • Cool Shades: Wears a black pair occasionally.
  • Create Your Own Villain: He admits to Danny that the NYPD's inaction against Rev. Potter is partly why the man is so dangerous.
  • Da Chief: One of the best you'll see on television, no less. Frank Reagan is the kind of authority figure that people wish was more common.
  • Dead Partner: As a young cop, Frank worked with the NYPD's K9 unit until his dog was killed by the criminal he'd sent her after. When another canine officer is accused of biting a child, Frank makes a special effort to exonerate the dog, and Garrett suggests Frank does so to make it up to his fallen animal partner.
  • Experienced Protagonist: He has been a cop and detective for over 30 years and still knows all the ways to solve a case.
  • A Father to His Men: Cares deeply about the NYPD and his children.
  • Four-Star Badass
  • Friends with Benefits: Has this relationship with reporter Melanie Maines; whenever she's in New York, they get together.
  • The Good Chancellor: A commissioner variant. Frank Reagan is one of the best.
  • Good Is Not Soft: He's personally killed a triple murderer-rapist who was trying to harm Erin. In the season five finale he uses a little Loophole Abuse to send an already-convicted Gang Banger to federal death row, which has the dual effects of removing his ability to control his gang from inside the joint (since he'll be transferred to Indiana for trial), and exacting justice for the murder of a police chief, his wife, and a witness, and the nonfatal shooting of Linda.
  • Good Parents: Accounts from his children describe Frank as a fair parent to them. He was always there to support his kids, but would also correctly discipline them when they needed it.
  • Guile Hero: Has run gambits on criminals before, as well as once maneuvering a diplomat whose son was a rapist into unintentionally giving him a DNA sample. His PR guy says he should run for mayor, because though he states he hates politics, he is very good at it.
  • Hero Does Public Service: When Mayor Poole takes office, he reveals to Frank that he wants to keep him on as police commissioner partly because, back when he was a kid, there was this white Irish beat cop who coached his basketball team.
  • Hero with Bad Publicity: Thanks to Rev. Potter's constant hate-mongering half of New York City is convinced that Frank is some sort of fascist dictator. As a whole, Frank is continually frustrated that cops as a whole don't get respect anymore from either average citizens or their fellow city officials. He was really furious at having to answer to a court appointed Inspector General in Season 4.
  • Idiot Ball: Despite all the blatant illegal things Rev. Potter does, Frank never presses to have him arrested which just gives Potter the freedom to continue his witch hunt against the Reagan Family and NYPD.
  • Insistent Terminology: He's technically not a police officer, the Police Commissioner is actually a civilian position and he had to resign from the NYPD rank and file before he took the job.
  • It's All My Fault: As Henry explains, he tends to blame himself if something goes wrong.
  • Like Father, Like Son: Despite being able to adapt with the times, their scenes together show that Frank is very close to Henry.
  • Manly Tears: Not actually seen, but heavily implied during a private moment. When his old partner dies from respiratory disease caused by exposure to toxic fumes on 9/11, the episode ends with Frank visiting the 9/11 Memorial (the first time it ever appeared in a TV show) by himself, and standing with his back to the camera, placing his hand on his friend's engraved name on the memorial: we purposely can't see his face, but his stance and the way his shoulders are moving clearly imply that Frank is crying.
  • Nice Guy: Frank is the thoughtful one of the family and is always willing to stop disputes if they arise at Sunday dinners.
  • Papa Wolf: To his family, naturally, and to the men and women of the New York Police Department. Perfectly summed up in a speech where he tells the NYPD rank-and-file, including Jamie and Danny, "I will ALWAYS have your back." He himself is backed up by his own Papa Wolf, Henry.
    Jamie: (to Eddie) When it comes to sticking up for his kids, my old man doesn't take prisoners.
  • Parental Substitute: Acted as the closest father figure to his only granddaughter, Nicky, since her biological (and still alive) father is a deadbeat.
  • The Patriarch: The head figure of the Reagan family.
  • Poor Communication Kills: He's never able to effectively counter all the bad publicity that police get, and when coupled with things like the rise of social media and Rev. Potter's hate-mongering, by Season 6 his reputation is in shambles. It's so bad that Mayor Poole is actually reluctant to keep Frank as PC because he's a political liability.
  • Reasonable Authority Figure: Out of all the family members, you can usually count on Frank to be the one most likely to see and understand both sides of a debate. He's usually quite excellent at weighing both sides, and coming to a reasonable solution, and despite his pride, he's not shy about admitting when he himself makes a mistake. Some have compared him to an idealized Roman magistrate. Many have noted that he's the type of authority figure that people wish was more common.
  • Revolvers Are Just Better: Frank continues to carry his old snubnose .38 Special revolver, despite his father telling him he should switch to a semiautomatic for more firepower (and having a security detail around him at all times). In one scene, Frank demonstrated he doesn't need to.
  • Semper Fi: Was a Marine in Vietnam.
  • Shell-Shocked Veteran: Became The Stoic due to this, having seen many terrible things in the line of duty and bottling it up to keep from spilling over onto his family.
  • Smoking Is Cool: Is often seen smoking a cigar when he goes fishing.
  • The Stoic: But it doesn't mean he's heartless. In one episode, he admits to his granddaughter Nicki that he has decades worth of tragedies he's seen and experienced, and instead of showing these emotions, "I sit on them." Occasionally, and mostly in private, these emotions do come out. When his old partner dies from respiratory disease caused by exposure to toxic fumes on 9/11, the episode ends with Frank visiting the 9/11 Memorial (the first time it ever appeared in a TV show) by himself, and standing with his back to the camera, placing his hand on his friend's engraved name on the memorial: we purposely can't see his face, but his stance and the way his shoulders are moving clearly imply that Frank is crying.
  • Survivor's Guilt: In "The Job" Frank admits to feeling some over the fact that some of his other former cop friends became ill from chemical exposure experienced during and 9/11.
    "Why them and not me?"
  • To Be Lawful or Good: A recurring plot is Frank being forced to choose between his legal responsibilities as police commissioner and his desire to do what is morally right. He's extremely good at finding the third option that allows him to do both.
  • What Would X Do?: His go-to when it comes up is "What would Theodore Roosevelt do?"

    Former Commissioner Henry Reagan
Played by Len Cariou

Great-grandpa of the Reagan family. Was a hardbitten Da Chief in his day; now dispenses wisdom and advice.
  • Badass Grandpa: Oh yeah. When Frank is shot, he's the one sitting in the hallway, up all night alert, ready to protect his family. Not to mention an episode where Henry is mugged while withdrawing cash from an ATM: Henry is not letting this happen without a fight, and defends himself with a pistol hidden in his ankle holster. When the criminal struggles to prevent him from reaching it, Henry then resorts to Good Old Fisticuffs.
  • Berserk Button:
    • Henry becomes noticeably more hostile if a cop has been killed.
    • Downplayed, but he has little tolerance for anyone who commits adultery.
  • Cool Old Guy: Is this to his grandchildren and great-grandchildren. Also, due to being an honest cop and not taking any shit, has the eternal respect of the NYPD rank and file. He's also lost absolutely none of his toughness since his days as a cop.
  • Cowboy Cop: Henry seems to indicate that he was this in his time. Of course back then there was more "flexibility" in what was allowed anyway. At one point, he is caught on video mouthing off (while drunk) to an old buddy about how he'd like to reintroduce some very heavy-handed tactics, resulting in a public controversy that causes both Frank and DCPI Garrett Moore to give him a What the Hell, Hero? speech, much to his chagrin.
  • Da Chief: Henry is a former police commissioner, detective, and officer, who was known for being incorruptible.
  • Drives Like Crazy: Since he's in his eighties and his eyesight isn't what it used to be. One subplot has him arguing with Frank about giving up the keys after he banged the fender on the garage door for (apparently) the umpteenth time. In the end he gives his car to Danny and Linda because their minivan caught fire due to an electrical fault earlier in the episode.
  • Everybody Has Standards: While Henry believes in the "cops should be loyal to cops" philosophy, he will not honor a cop that had two families at the same time.
  • Glory Days: Sometimes longs for the days when life was simpler and you could be a cowboy cop.
  • Good Old Ways: Generally tends to be older fashioned, but with one subversion: he advises Frank to switch to an automatic instead of a revolver, for more firepower. In general, Henry tends to prefer the older Cowboy Cop methods from back in the day, which often causes him to clash with Frank and Jamie (though it definitely endears him to Danny). In one episode he refers to this trope almost word for word: in response to being chastised by Frank and Garrett for most of the episode (because of his bragging about heavy-handed methods from the old days), he responds by growling "I still think the old ways are the best ways."
  • Hollywood Heart Attack: Poor Henry is hit with one on Thanksgiving.
  • Mysterious Past: We know he served in Korea, but he apparently doesn't like to talk about it.
  • Noble Bigot with a Badge: A rare example where the person is someone who is a former officer. He has some conservative views on gay individuals, but doesn't harbor any actual malice.
  • Outliving One's Offspring: "Men in Black" reveals that Francis had a brother who died of leukemia before he was born.
  • Papa Wolf: When Frank is shot, he's the one sitting up the whole night with his hand by his gun, guarding his family. In other words, he's the Papa Wolf to the Papa Wolf! Do NOT mess with the Reagan family, a Badass Family protected by two suitably badass father figures.
    Henry: I'll tell you this... any monster who lays a finger on anybody at this table, they'd be fertilizer before the courts could get to 'em.
  • Semper Fi: Was a Marine in Korea. A throwaway line implies he may have been in the Pacific theater of WWII as well.
  • War Is Hell: He's proud of his military service, but his reluctance to go into detail about his war experiences indicates that he probably saw a lot of things that still haunt him. The same may be true of some of his experiences as a police officer.
  • When I Was Your Age: Often gives the younger family members anecdotes and advice based on his experience.

    Detective First Grade Danny Reagan 

Daniel "Danny" Fitzgerald Reagan
Played by Donnie Wahlberg

Ambiguously the eldest of the Reagan siblingsnote , Danny is a police detective assigned to Manhattan. He is Happily Married and has two sons.
  • Action Dad: A cop detective and father of two.
  • Aesop Amnesia: Danny never learns the need to control his temper or stop his borderline illegal actions.
  • Aloof Big Brother: Isn't very close to Jamie, due to their age differences.
  • Always Gets His Man: Danny has one of the highest case closure rates of any NYPD detective. Though not without controversy.
  • Anti-Hero: Danny is by no means a Dirty Cop (or, at least a played straight example of one) and he genuinely wants to bring down bad guys, he also has done some outright malicious acts in order to get justice. For example, on two separate occasions he threatened to shoot an unarmed person; both times the two people had information about the real criminal, but his actions violated their rights and were morally wrong to an extent.
  • Berserk Button: Danny has a lot of them. So take notes.
    • Don't kill a cop.
    • Don't kill someone from the Marines.
    • Don't say "America should just forget about 9/11".
    • Don't hurt a child.
  • Big Brother Bully: Downplayed. Danny makes insensitive remarks towards Jamie, but it's more of a way to prepare his little brother for the dangerous streets.
  • Big Brother Instinct: An asshole he may be to Jamie and Erin at times, there's no denying that Danny won't hurt someone who threatens his little brother and sister; although it's yet to be revealed if he's older or younger than Erin.
  • Big Brother Mentor: Any opportunity he has to teach Jamie, he'll do it.
  • Bruiser with a Soft Center: Danny is a hot-blooded Cowboy Cop who commits borderline illegal actions. He's also a true family man.
  • Bunny-Ears Lawyer: An example with the character not having a quirk that's Played for Laughs, Danny's quirk being his hotheadedness and disregard for the rules. As lampshaded by Renzuli in "Samaritan":
    He didn't look like a screw-up. Off the top of my head, he did three things you better never do: leave his partner; not tell anyone where he was going; not call in the open subway hatch or the blood. Danny's got skills, but he's got a lot of bad habits.
  • Chick Magnet: Implied. Danny apparently had a lot of girlfriends before he married Linda.
  • Cowboy Cop: He bends the rules in pursuit of justice. Although he's also been known to bend them the other direction (i.e. coaching an illegal immigrant on how to frame his confession to manslaughter for sympathy). Deconstructed in "Absolute Power"; Danny goes in solo after a Serial Killer instead of waiting for Baez and an ESU team. While he rescues the would-be victim, the killer puts him in the hospital with a broken forearm and gets away.
  • The Cynic: Danny has a sour perspective in general, especially towards criminals.
  • Dark and Troubled Past: Not his childhood, but his service in Iraq. While he doesn't talk about it, Danny alludes to witnessing countless horrors, including being the Sole Survivor among his group.
  • Deadpan Snarker: Always ready with the quips.
  • Dirty Cop: Zig zagged. While Danny doesn't plant evidence or kill unarmed criminals, he has done illegal things and has faced little comeuppance for his behavior. Examples include intentionally stopping a medical tube for an old man because he thought he had information, threatening to put a bullet in the back of a robber's head — when the said robber was cuffed and unarmed, and putting a suspect in the trunk of his car and driving like crazy to get said suspect to talk. And the list goes on.
  • Experienced Protagonist: By the series premiere, Danny is an experienced detective with a high percentage rate of solved cases.
  • Fatal Flaw: Danny's inability to control his temper has strained his relationships with his family (to the point he got in a fight with Jamie) and he has gotten several reprimands because of it.
  • Fighting Irish: He's from an Irish-American family and has a history as a Marine, a Cowboy Cop and a highly-competitive amateur sportsman.
  • First-Person Smartass: Danny will snark anyone — His family, his partners, other cops/detectives, or civilians.
  • Foolish Sibling, Responsible Sibling: The foolish to Erin and Jamie's responsible. While his siblings follow the rules set by them, Danny will often go into Jack Bauer Interrogation Technique in order to get a perp; needless to say, Danny has gotten a boatload of reprimands because of it.
  • Former Teen Rebel: Implied. In "Secret Arrangements", one of the descriptions Frank gives about Danny was "rebellious teenager".
  • Friend to All Children: As tough as he is with grown-ups, he's actually quite tender when talking with youngsters, reformed criminals, and troubled victims, to the point where at times he's the "good cop" instead of Jackie or Baez.
  • Generation Xerox: Shares Grandpa Henry's preference for Cowboy Cop methods. Also, he, Jamie, Joe, and Frank all followed in Henry's footsteps in becoming cops (even if Danny's the only one who shares Henry's belief in the Cowboy Cop methods).
  • Good Is Not Nice: He is an honest cop, a skilled detective, and a devoted family man. He's also fond of being verbally abusive and insulting suspects and isn't above using the Jack Bauer Interrogation Technique on occasion. In addition, he makes some borderline Islamophobic remarks in "Worst Case Scenario" (and is called out for it by his partner Maria Baez).
  • Good Is Not Soft: Like all the Reagans he's no pushover. He was also the winner of a NYPD/FDNY boxing tournament two years in a row.
  • Good Parents: Despite his jerkish nature to his siblings, civilians, and perps, Danny is a very good father to his boys.
  • Guile Hero: Although subtlety doesn't seem like his strong suit, he can run a game on the bad guys when he puts his mind to it.
  • Happily Married: To his wife, Linda.
  • Hidden Depths: "The Bogeyman" shows that Danny has a liking towards opera music.
  • Hot-Blooded: His temper is very well-known around the NYPD and landed him in anger management therapy at one point. He channels it into his job and tries very hard to avoid bringing it home; he doesn't always succeed.
  • Hypocrite: Danny has no problem committing acts that go beyond the rules (although he's not a Dirty Cop). However, if another cop does the same thing he did, he'll call them out on it.
  • It's All About Me: Danny has a rather selfish attitude when it comes to solving his cases. For example, in "Ends and Means", he remained very upset with Linda throughout the episode for not letting him talk to an informant (who later died), even though Linda could've been in trouble had she done so.
  • Jack Bauer Interrogation Technique: Not often, but on occasion. He waterboards a Serial Killer in the first episode for information. Although he does tend to bend the rules, this is the only time he uses torture in the entire first season, but the quickness with which he uses it in the pilot, you'd think this is a semi-regular thing for him. In a season four episode he does beat information out of a heroin dealer whose accidentally uncut load of heroin caused a couple dozen people to have fatal overdoses (and then uses him as a Human Shield), which suggests the takeaway is that he's not above torture when he views the situation to be serious enough.
  • Jerkass Fašade: Generally behaves like a jerk towards his youngest brother Jamie; Frank explains to Jaime that it's because Danny can't bear the thought of losing another brother, so he tries to Stealth Mentor him.
  • Jerkass Has a Point: Danny is brutal, blunt, and can be incredibly insufferable. But he makes points once in a while.
    • Danny gives two punches (at different times), to a criminal who hired hitmen to come and rescue him. Almost being shot at will make anyone pissed.
    • His lack of sympathy for Noble Sanfino nearly being gunned down may seem heartless, but he isn't wrong on how Noble choose to be in his family's life of crime. Even Erin agrees with Danny.
    • When he and Baez guard a witness (and criminal) from the people trying to kill in "Power of the Press". First, he calls out the head of the protection detail for not following through on the deal to protect the said criminal because it's their job. Later on, he tells the same criminal that it's his own fault for getting into a life of crime and that while he may be testifying against his criminal colleagues, he's no saint. On both accounts, he's right.
    • In "Through the Looking Glass", he becomes a mentor fro an at-risk youth — something he's openly cynical towards. When the youth nearly gets herself killed, Danny arrests her. And when she protests, Danny retaliates that he can't be the one to save one, only she can save her.
  • Jerk with a Heart of Gold: Danny is abrasive, rude, and can be a real jerk. Despite all that, he's still a good and fair cop, as well as someone who deeply treasures his family.
  • Karma Houdini: Downplayed. Danny has never committed an outright heinous act and is not a straight example of a Dirty Cop. However, he has done many acts that are considered violations of protocol and the rights of a suspect, enough to the point that the NYPD would probably in real life have yanked his badge as early as the pilot.
  • Knight in Sour Armor: Generally sour towards the world in general, but gets up every morning to take criminals off the streets, due to his love of New York City.
  • Ladykiller in Love: "After Hours" reveals that Danny was something of a ladies' man before he met, fell in love with, and married Linda.
  • Man Child: Downplayed. Danny is mature, but is the most immature when put alongside Erin and Jamie and refuses to let go of a topic if it personally offended him.
  • Married to the Job: Primarily of the "The Job is That Important" type, but with shades of "Justified Workaholic". Much to his actual wife Linda's chagrin, and often a source of tension when Danny has to leave his family's side to go out on a mission. He also schedules himself for a lot of extra tours when he and Linda are going through financial difficulties.
  • Mysterious Past: Whatever happened to his Marine unit in Iraq has yet to be touched upon — mostly because Danny (understandably) refuses to talk about it.
  • Nice Hat: Danny is often seen wearing a greyish-black Flat Cap.
  • Noble Bigot with a Badge: Danny made some borderline Islamophobic remarks in "Worst Case Scenario", but doesn't harbor any actual hatred.
  • The Not-Love Interest: To Jackie, and to Baez. During the rare instances where Jackie and Linda are onscreen at the same time, it's quite clear Linda has no problem with her.
  • OOC Is Serious Business: Danny is rarely ever afraid of criminals, even when they threaten vengeance. However, "Family Business" has him notably shaken up when a criminal comes to fulfill said promise.
  • Papa Wolf: Anyone coming near his family is pretty much sealing their own death-wish. Danny even lampshades this in "The Job".
    Danny: (to Erin) Yeah, and you should know more than anyone that if someone takes a shot at my family, I'm taking him out. End of discussion.
  • Parents as People: He loves his sons and wife more than his own life, but his love for the job often has him be away from them. His wife and siblings have even called him out for not spending enough time with his kids.
  • Pay Evil unto Evil: His general MO. He can be absolutely vicious in the pursuit of justice (like when he beat a confession out of a child predator) and gets called on it on occasion by fellow cops and his more level-headed siblings.
  • Red Oni: Again, to his partner Jackie.
  • Semper Fi: Served as a Marine in Iraq — specifically Fallujah.
  • Shell-Shocked Veteran: He alludes in several episodes to having well-controlled PTSD over his service in the Iraq War.
  • Smarter Than You Look: Danny appears to be a hot-blooded Cowboy Cop, but he can be surprisingly crafty when he wants to be.
  • Sole Survivor: He was the only member of his Marine unit in Iraq to make it back home.
  • The Southpaw: Because Donnie Wahlberg is a lefty.
  • Token Evil Teammate: Downplayed. While Danny is not a straight example of a Dirty Cop, he's the one who will do borderline illegal, malicious actions if it means getting justice. Case in point, in "Worse Case Scenario", Danny was all willing and ready to unplug a ventilator of a terrorist to get information out of him.
  • Tough Love: Deconstructed with Jamie — Danny puts on a Jerkass Fašade to his brother because he wants him to know everything he needs to know. However, this (unsurprisingly) causes Jamie to resent his brother for "tearing me [him] down every chance" and only adds more tension to their already distant relationship.
  • Weapon of Choice: In keeping with his maverick attitude, he carries a noticeably different, silver pistol rather than the black Glocks used by the rest of the NYPD cast (other than Frank's ancient Fitz Special). IMFDB identifies it as a Smith & Wesson 5946, a pragmatic choice by the props department considering that the weapon, though not standard issue, is still allowed by NYPD regs in real life.
  • When You Coming Home, Dad?: Danny's sons have never complained on-screen about his absence, but his siblings and wife have called him out on not spending time with his kids. At least one episode indicates he schedules himself for a lot of extra tours because he and Linda are having money problems (which makes sense: they're supporting two kids and a mortgage as a police detective and a nurse, neither of which pays well. Danny is also not the kind who would ask Frank to loan him money).

    Officer Jamie Reagan 

Officer Jamison "Jamie" Reagan
Played by Will Estes

The youngest of Frank Reagan's surviving children, and a rookie patrol cop at the start of the series. A Harvard Law graduate, he changed his mind about being a lawyer and joined the NYPD partly because of his dead brother Joe, and partly because he wanted to help people more than he wanted to make money.
  • All-Loving Hero: Jamie is always looking out for those he thinks need help and tries to sympathize with criminals.
  • All of the Other Reindeer: Downplayed. Jamie isn't actively ostracized by his cop peers, but many of them think he's an Entitled Bastard because he's the police commissioner's son and will often accuse some of Jamie's actions as thinking he'll get away with it because of the relation.
  • Amazon Chaser: Jamie has a thing for opinionated, strong women.
  • The Baby of the Bunch: Like it stated earlier, Jamie is the youngest of Frank's children.
  • Beware the Nice Ones: Jamie is much more even-tempered than Danny and tends to have better people skills, but when he does lose his temper, he can be in Danny's league.
  • Break the Cutie: His first confirmed kill was a Suicide by Cop case, not to mention that his second partner Vinny Cruz was killed right in front of him.
  • By-the-Book Cop: Very much so; this is part of the tension between him and Danny.
  • Character Development: Undergoes the most of any of the main characters, with a years-long arc tracking his development from New Meat into a seasoned beat cop bucking for detective.
  • Chick Magnet: Put Jamie in the same room with almost any woman his age (minus Erin, naturally) and she'll be cooing over him before long.
    • He starts the series with Sydney, later attracts Laura (a witness he had to guard), then attracts Bianca, a Mafia Princess.
    • If Erin can be believed, he sets all the female paralegals in the DA's office a-twitter as well.
    • A deleted scene says that he was the source of much gossip among his female classmates at the academy. He doesn't seem to capitalize on any of these opportunities though.
    • As of Seasons 4/5, his new female partner Edie Janko (nickname for Edit, a Hungarian name) is shown to be falling for him. Jamie himself seems to reciprocate, though both are still in denial about it, at least partially because admitting it would be mean that Sergeant Renzulli would be forced to reassign them to different partners.
  • Chronic Hero Syndrome: Any life insurance company that sells to him doesn't know it's job.
  • Drives Like Crazy: Averted, in contrast to the rest of his family, which leads to Erin arranging for him to teach Nicky how to drive.
  • Dude, Where's My Respect?:
    • Jamie is a good cop with a strong moral compass and strong respect for the rules, and yet he is often shut down by other superior officers mainly because he's the commissioner's son, and they assume he's an Entitled Bastard as a result. The phrase "I don't care what your last name is" is something he's told a lot. And because he's Frank's son he's subject to enforced Limited Advancement Opportunities to avoid any appearance of favoritism. By Season 6, he's becoming bitter about this.
    • In Season 6, he's subject to an IA investigation due to an accusation of excessive force, and Rev. Potter uses it as an excuse to launch another attack on the Reagan Family. When he expresses frustration at being taken off duty Frank tells him he's being treated like any other cop according to protocol, Jaimie points he's not - he's being treated worse because of last name, something the Jerkass DA investigating the case makes perfectly clear. Frank and Henry telling him he need to just "grin and bare it" don't help his attitude.
  • The Dulcinea Effect: Jamie cannot resist a Damsel in Distress.
  • Fair Cop: A cop and a resident Chick Magnet.
  • Foolish Sibling, Responsible Sibling: The responsible (shared with Erin) to Danny's foolish. While he and Erin follow the rules set by them, their brother will often go into Jack Bauer Interrogation Technique in order to get a perp; needless to say, Danny has gotten a boatload of reprimands because of it.
  • Forbidden Fruit: He becomes this to Eddie after Sgt. Renzulli informs them that they would be split up if they developed romantic feelings for each other.
  • Friend to All Children: Jamie has a soft spot for children.
  • Friends with Benefits: By season 4 he ends up in this relationship with a law school classmate.
  • Has a Type: As Erin states in "Partners", Jamie has always had a thing for "bossy, strong, and opinionated" women.
  • Hero Does Public Service: As part of an NYPD initiative to boost their public involvement in the wake of the Bitterman Houses events at the close of season 3 during which Jamie's partner Vinny was killed, Jamie is shown coaching basketball in a poor neighborhood in "Growing Boys". He gets involved in the plot when two gangsters start pressuring one of his players to rejoin the gang and one of them is inadvertently hit by a car when Jamie goes after them.
  • Honor Before Reason: Is very idealistic.
  • Hypocrite: In "Exiles", Jamie tries to persuade Janko to back off of a woman's personal issue. Note, this was after he tried to convince a woman to confess about her son not being her husband's biological child and trying to also convince Eddie to reconcile with her incarcerated father. Both moments that were someone else's personal problems and were none of his business.
  • Incorruptible Pure Pureness: Jamie has shades of this.
  • The Infiltration: After he saved the life of mob heir Noble Sanfino while in plainclothes at the beginning of season 2, he has occasionally gone undercover in the Sanfino organization.
  • Ivy League for Everyone: Jamie is a Harvard boy.
  • Knight in Shining Armor: Again, the idealistic child — he was inspired to join the NYPD not just because of Joe, but because of the examples of his dad and grandfather.
  • Limited Advancement Opportunities: Acknowledged In-Universe, because Frank is worried that any promotion Jamie receives will automatically be seen as nepotism, so for the moment he's still a beat cop, something he's not happy with especially since most of his Academy classmates have already made detective.
  • Love Cannot Overcome: Jamie's girlfriend left him because she couldn't stand loving a cop with Chronic Hero Syndrome.
  • The McCoy
  • New Meat: Much of the focus on him is his professional and personal growth as a cop.
  • Nice Guy: Is even called "the patient one" by the rest of his family.
  • Old Cop, Young Cop: He's the Young Cop with Renzulli, but as if to specifically highlight his Character Development, he's the Old Cop with his season 4 partner Eddie Janko, a rookie.
  • Only Known by Their Nickname: His full first name is apparently "Jamison".
  • Screw the Rules, I'm Doing What's Right: Jaime has no problem arguing with or outright disobeying superior officers if he feels it's the right thing to do. Unfortunately this why he has an undeserved reputation as Entitled Bastard.
  • Swallow the Key: Frank Reagan didn't raise no fools. When confronted by some mob brokers, Jamie hastily swallows the thumbdrive he used to hack into their finances. And it's not the first time either, as the family reminisces later on.
  • These Hands Have Killed: After his first line-of-duty fatal shooting. He did everything right, but he's still in shock, which is only exacerbated by the revelation that the perp was committing Suicide by Cop.
  • Took a Level in Badass: When the Sanfinos put out a hit on his alias and on Noble, he saved Noble's life again and coolly talked him into testifying.
  • Took a Level in Cynic: By season 6, Jamie becomes more cynical over the whole "being treated as an Entitled Bastard" from his peers.
  • Took a Level in Jerkass: By season 6, though it's justified and downplayed. For the former, anyone would start to become angry over being thought of as an Entitled Bastard and having Limited Advancement Opportunities because it may look like favoritism since your father is the commissioner; for the latter, while he does have more jerkass moments, Jamie does apologize for what he said to the person he hurt.
  • "Well Done, Son!" Guy: Jamie is always trying to make his father and (by some extent) Danny proud of him.

    ADA Erin Reagan
Played by Bridget Moynahan

Frank's daughter and Danny's and Jamie's sister, she is an Assistant District Attorney for Manhattan. She was married to a defense attorney, but they divorced before the series began and she is now a single mom. Her daughter Nicky recently raised her ire by deciding she wants to be the first female Reagan to become a cop.
  • All Girls Want Bad Boys: Erin gets weak in the knees when she meets art aficionado "Frank Weller." And she gets even weaker when he turns out to be an art thief (albeit one who returns art stolen by the Nazis during World War II to its rightful owners) who is using a fake alias.
  • All of the Other Reindeer: Many of her colleagues in the DA's office think that since she comes from a family of cops, she's biased in cases involving officer misconduct and corruption, to the point where the DA himself assigns her to oversee a case of cops fixing tickets just to test her loyalty.
  • Amicable Exes: Downplayed with her ex-husband Jack Boyle. They're reasonable but rather curt with each other, and the first time we meet him, Jack wonders why Erin still has her married name "Reagan-Boyle" on her door. She says it's the same reason people who have lost weight keep a "before" picture. Ouch. She eventually has the 'Boyle' removed. However, they still do care for each other.
  • Berserk Button:
    • In "Protest Too Much" Erin becomes noticeably pissed at her father's possible decision to date one of her acquaintance who is around her age. She gets even more pissed when Jamie used their mom and Erin's acquaintance in the "same lifetime".
    • Don't question her parenting methods, even if your Frank.
  • Brainy Brunette: Very much so.
  • Daddy's Girl: Frank and Erin make it a habit to meet for lunch every Wednesday, and often lean on each other for advice on whatever case is going on.
  • Dating Catwoman: Erin has a habit of this.
  • Drives Like Crazy: Couldn't teach her own daughter to drive because she gets frustrated, bulling her way through heavy city traffic and leaning on the horn at the slightest provocation.
  • Dude Magnet: Almost every episode has a man commenting her on her good looks.
  • Fanservice with a Smile: In her teens, Erin worked as a roller-bunny at a cocktail bar (specifically Roxy's). Frank was apparently aware of it (his mustache twitches in amusement at the memory) but he let it slide.
  • Foolish Sibling, Responsible Sibling: The responsible (shared with Jamie) to Danny's foolish. While she and Jamie follow the rules set by them, their brother will often go into Jack Bauer Interrogation Technique in order to get a perp; needless to say, Danny has gotten a boatload of reprimands because of it.
  • Former Teen Rebel: Many references to her teen years indicates that Erin would get into a lot of trouble.
  • Fox News Liberal: Zig-Zagged. Early on, Danny calls her a "liberal" when she gets particularly testy about his methods in dealing with bad guys. Still, she's characterized well enough to avoid any Strawman Political tropes. She actually comes across more as a libertarian: holding many conservative viewpoints, and having a tough stance on crime while still being very concerned about civil liberties and sometimes skeptical towards law enforcement, a position that often brings her into conflict with Danny. (Indeed, many conservatives in Real Life often accuse libertarians of being "liberal" because of this stance, so this is probably intentionally reflected in Danny's arguments with Erin.)
  • Glamorous Single Mother: Averted. Erin expertly juggles work and her teenage daughter, but has little time left for a social life.
  • Guile Heroine: Her skill as a rather clever attorney has come in handy many times.
  • Hello, Attorney!: Yes, she is hot.
  • Hidden Depths:
    • "Risk and Reward" shows Erin to be great at playing pool.
    • "Nightmares" revealed that she absolutely adores Halloween.
  • Mama Bear: When a serial killer kidnaps Nicky, Erin doesn't hesitate to go with Danny to find her. Carrying her gun with her as well.
  • Not So Above It All: Erin can be just as petty as Danny when they butt heads in a case.
  • Outnumbered Sibling: The only Reagan daughter out of four kids.
  • Overprotective Mom: To Nicky.
  • Principles Zealot: Is strongly committed to her principles and the law, and doesn't like Danny's Cowboy Cop tendencies. She has been known to bend on occasion, though.
  • Sex with the Ex: The C-plot in "Knockout Game" opens with Jack Boyle, Erin's ex, turning up in her shower the morning after they apparently went out on a date and slept together afterwards. It doesn't go anywhere because she decides he hasn't really changed.
  • Taking the Kids: Erin got Nicky after divorcing her husband, a defense attorney.
  • Tough Love: She had her own daughter thrown in an overnight holding cell, when Nicky is naively protecting her friends from a drug possession charge. Frank calls her out on this, nothing she was once found with a half empty bottle of booze in her car when she was a teenager. Erin does not appreciate the comparison.
  • Trademark Favorite Food: "Innocence" reveals her favorite food is Shepherd's pie.

    Nicole "Nicky" Reagan-Boyle
Played by Sami Gayle

Erin's daughter. She recently decided she wants to be the first female Reagan to join the NYPD. Her mom was thrilled. She later reconsiders, afraid that becoming a cop would lead her to become cynical about people's motives.
  • Adorably Precocious Child: She's in middle school, but dresses and behaves like a thirty-two year old. She isn't cowed by any of the Reagans, regardless of age, and seems to view herself as the matriarch of the family.
  • All of the Other Reindeer: Downplayed. While Nicky does have friends, she often feels like an outcast because whenever they hear she a Reagan, they may want to do the "fun" stuff without her.
  • Be Careful What You Wish For: She wants to be a cop and was eager to go on a ride along and from it sees her first dead body. She has many night terrors after that.
  • Boyish Short Hair: For most of the series she has a pixie cut. She starts growing it out once she reaches college.
  • Brainy Brunette: Brown hair + Honors student + Wise Beyond Her Years equals this trope.
  • Daddy's Girl: Despite having an absent father, she is thankfully not lacking a male role model in her grandfather.
  • From the Mouths of Babes: In the early seasons. Around Seasons 4 and 5 she quite noticeably becomes more mature and outspoken.
  • It Runs in the Family: Nicky browbeats Erin into letting her stay out until 11:00. Frank wryly observes that she "made a very convincing argument."
  • Jaywalking Will Ruin Your Life: In Season 6, she's in a car with friends that gets pulled for a routine traffic stop and the cops find drugs in the car. She gets suspended from Columbia and nearly gets charged for possession until one of her friends cops to it.
  • The Matchmaker: Nicky is interested in pairing her mom off with her boss, DA Rossalini. She also lobbied for Erin to date the art thief.
  • Mouthy Kid: She has her moments.
  • Nice Girl: Often noted to be a well-behaved young lady.
  • Ordinary High-School Student: She's very well-behaved and intelligent, but increasingly chafes at Erin's stern restrictions on her social life. Still manages to remain quite level-headed through it all.
  • The Paragon: One of the smartest and most well-behaved students at her school, to the point where other kids' parents apparently have asked them why they can't be "more like that Nicky Reagan-Boyle." Nicky uses that fact to point out that she deserves the benefit of the doubt when she asks for more personal freedom.
  • Turn Out Like His Father: She intends to be a cop too. Erin is ambiguous about that.
  • Wise Beyond Their Years

    Linda Reagan
Played by Amy Carlson

Wife of Danny and mother of their two grade-school boys (Jack and Sean), Linda works as a charge nurse at St. Vincent's Hospital. As the sole Reagan adult not professionally involved in law enforcement, her views sometimes contrast with those of her in-laws, but her loyalty to Danny and commitment to her patients and children are unquestionable.
  • The Chick: She's probably the most traditionally feminine woman in the series, a nurse and mother of two with no combat training who Doesn't Like Guns.
  • Clingy Jealous Girl: At one point, Linda worried that Danny would have an affair with a bar waitress and doesn't hide her jealousy over Danny helping out his ex-girlfriend.
  • Doesn't Like Guns: At least, she doesn't like that Danny dealt with Jack's fear after a shooting incident by teaching him how to safely handle his father's sidearm. She also at one point bought a revolver for self-defense after being mugged, but decided "it's not me."
  • Expository Hairstyle Change: Her hair gets shorter after she becomes a nurse.
  • The Glorious War of Sisterly Rivalry: An early episode features Linda's sister, a fashion designer, who she has a somewhat tense relationship with. Her sister appears on some level to believe that the rest of their family admire Linda's choice to be a nurse and a Staten Island family woman more than her decision to be a fashion designer.
  • Go Through Me: Linda is tending to a patient who's about to testify against a violent street gang. A gunman enters and tells her to leave the room, but she won't abandon her patient and deliberately steps between them.
  • Good Parents: Linda is a devoted and caring mother to Jack and Sean.
  • Hello, Nurse!: A literal example. Linda is attractive and restarts her nursing career.
  • I Ain't Got Time to Bleed: When a key witness is shot in his hospital bed in the season 5 finale, Linda takes two in the abdomen, but she's so hopped-up on adrenaline she does a full round of CPR and doesn't even realize she was hit until after the witness has already flatlined.
  • Mama Bear: Linda is very protective over her sons. In "Unfinished Business", she gives Danny a major What the Hell, Hero? moment when he took out his frustrations on Jack because the episode's case was very personal for him.
  • Single Woman Seeks Good Man: While Linda can get exasperated at Danny's workload and angry at his negative traits, she loves him because he's a "good man".
  • Team Mom: The one first to offer support and has a gentle nature.

    Jack and Sean Reagan
From left to right: Jack and Sean.
Played by Tony and Andrew Terraciano respectively

The two sons of Danny and Linda. Will typically only appear in the family dinner scenes.
  • The Baby of the Bunch: Sean is the youngest member of the entire Reagan family.
  • Children Are Innocent: Whenever a particularly tough and/or complicated adult topic comes up, one of the older members will immediately tell the boys to go eat in the kitchen or go upstairs to play.
  • Innocently Insensitive: Some of the questions they ask can be this, with them not understanding how certain topics can be painful and/or sensitive to the older members of the Reagan family.
  • Locked Out of the Loop: Episodes often show the boys being kept in the dark about disturbing events, such as their mother's kidnapping (she was "at a spa") or the fact that a raid Frank once led on a mob-family christening ceremony resulted in the collateral death of the baby.
  • Lovable Jocks: Both are active hockey players (Jack even played soccer at one point) and are nice young men.
  • Morality Pet: Danny will be his nicest when he's with either or both of them.
  • Nice Guy: Both are well mannered and polite young men.
  • Satellite Character: They only serve as the children on Danny and Linda who often ask questions regarding the current episode's topic.
  • Trademark Favorite Food: As "Growing Boys" revealed, their favorite meal are taco pies.

    Detective Joe Reagan
Played by Unknown Actor

The middle Reagan brother. Killed in the line of duty before the show starts, a running arc in the first season is Jamie investigating his death.
  • Forgotten Fallen Friend: A family variant and averted. His death is mentioned throughout the series on how it affected his family and his murder became a major plot point in season one.
  • The Heart: Implied. A line from Linda reveals that Joe was the one to help Danny and Jame connect with each other; his death resulted in his brothers' relationship becoming strained and distant.
  • Hidden Depths: Joe loved poetry.
  • The Informant: For the FBI.
  • Nice Guy: His training officer Renzulli called him a 'real sweetheart'.
  • Posthumous Character: He is dead by the start of the series.
  • Real Men Wear Pink: He had a thing for poetry.


    Sgt. Anthony Renzulli
Played by Nicholas Turturro

Jamie's training officer and partner through season 2. Took public credit for a rescue performed by Jamie in order to keep the latter's face out of the press for the benefit of the Sanfino undercover operation.
  • Big Brother Mentor: To Jamie.
  • Book Dumb: Renzulli isn't really a book smart person.
  • Demoted to Extra: In Season 3, he moves out from a patrol car to running the patrolmen of the 12th Precinct. He doesn't show up as often as the first two seasons now, though this is arguably to accentuate the fact that his former protege Jamie is now coming into his own as a mature policeman with a newbie partner of his own to train.
  • Donut Mess with a Cop: Likely donuts. At least it sure is something.
  • Old Cop, Young Cop: To Jamie. He is the old one.
  • Plucky Comic Relief: In Season 1.
  • Real Men Cook: Cooks a special Valentine's Day dinner for his wife, using a recipe his mom taught him.
  • Secret Keeper: He was asked by Frank to publicly take credit for a rescue Jamie performed, in order to protect the undercover operation.
  • Street Smart: Renzulli doesn't seem to have much in higher education, but he's very savvy and is an experienced cop.

    Detective Jackie Curatola
Played by Jennifer Esposito

Danny's first partner in seasons 1 and 2.

    Detective First Grade Abigail Baker
Played by Abigail Hawk

Frank's executive assistant, head of the Police Commissioner's Detective Squad.
  • Badass Bureaucrat
  • Beware the Nice Ones: Baker is generally a quiet, efficient and demure personal assistant, who deftly manages Frank's schedule. She is also an NYPD detective, and whenever Frank needs dirt dug up, she delivers.
  • A Day in the Limelight: "Manhattan Queens" kinda becomes one for her, since the Frank subplot is about dealing with someone trying to humiliate the NYPD while a summit of police chiefs is in the city. The person doing it is a Suffolk County deputy chief who's been stalking Abigail for years.
  • Deadpan Snarker: A jerk from a neighboring police department on Long Island is being extremely rude during her presentation at a police symposium...and she calmly shuts him up with a quick one-liner.
  • Girl Friday: For Frank.
  • Office Lady: Much of her role — until Frank needs a quiet investigation, at which the viewers are reminded that Baker is not just an office lady, she's also a detective.

    Detective First Grade Maria Baez
Played by Marisa Ramirez

Danny's replacement partner starting episode 17 of season 3 (his third overall, he has another one played by Megan Boone for a few episodes in the same season).

    Officer Vincent Cruz
Played by Sebastian Sozzi

Jamie's partner for season three. He grew up in the Bitterman Houses, a troubled housing project.
  • The Casanova: Definitely has an eye for the ladies.
  • Cowboy Cop: Tends to play things fast and loose, a trait which initially does not endear him to Jamie. They manage to come to terms with each other, though.
  • Dark and Troubled Past: He grew up in the Bitterman Housing Projects, which are beset with gangs and drugs, but managed to escape that life and join the NYPD.
  • Sacrificial Lion: In "The Bitter End" the gang that de facto runs the Bitterman Houses basically declares war on the NYPD. Vinny and Jamie are lured into the project and ambushed, and Vinny is fatally shot.
  • Sensitive Guy and Manly Man: The manly man to Jamie's sensitive guy.

    Officer Edit "Eddie" Janko
Played by Vanessa Ray

Jamie's partner starting season four. A rookie cop.
  • Action Girl
  • Attempted Rape: Suffers an attempted date rape in "The Truth About Lying" and lies to Jamie initially. He eventually works it out, talks her into coming forward, and she gets to arrest her own would-be rapist. In the middle of another date. (Which is a massive conflict of interest, but dang if it wasn't awesome.)
  • Big Eater: Though we've never actually seen it, she apparently eats a lot, and half the jokes Jamie makes at her expense involve how long their lunch breaks take.
    • From 5x01 "Partners"
    Eddie: Why is it every time I'm eating... we get a job?
    Jamie: Maybe 'cause you're always eating.
  • Dark and Troubled Past: Her father was imprisoned when she was just a kid. Her father is serving 6-8 years at Fort Dix Correctional. She later stated in season 4 episode 10 that long time associates lost everything and that she hasn't spoken to her father in 3 years. Because of her background and also the fact that she is a woman in law enforcement, she has had to work harder to prove that she deserves to be a cop.
  • Fair Cop: Cute little blonde officer, though don't mistake her for a Dumb Blonde—she's very competent, if inexperienced.
  • Forbidden Fruit: She becomes this to Jamie after Sgt. Renzulli informs them that they would be split up if they developed romantic feelings for each other.
  • Gender-Blender Name: Her nickname is usually for males.
  • Hypocrite: In "Forgive and Forget", Eddie is first seen trying to defend a thief who was stealing for his family, but is disgusted (along with most of the precinct) of a cop who testified against her partner for use of an illegal chokehold. Note that "illegal chokehold" is a way more offensive crime than theft, especially since said illegal choke-hold ended up killing the suspect. Jamie actually calls her out on this.
  • New Meat: Jamie, by now a seasoned patrolman, is assigned to be her Field Training Officer.
  • Old Cop, Young Cop: She's the (relatively) young cop to Jamie's (relatively) old.
  • Only Known by Their Nickname: Called "Eddie" 99% of the time. It's short for Edit, the Hungarian equivalent of Edith). We also later learn she can speak Serbian.
  • Ship Tease: Her and Jamie.
  • Single Woman Seeks Good Man: She has a thing for the All-Loving Hero and Nice Guy Jamie.

    Deputy Commissioner of Public Information Garrett Moore
Played by Gregory Jbara

Frank's de-facto chief of staff.
  • Brutal Honesty: Frank often doesn't like to hear it, but Garrett will give him his honest opinion no matter what. This is exactly why Frank trusts him.
  • Defeat Means Friendship: He once worked for Frank's political opponent, who was also trying to be commissioner.
  • The Consigliere: As Deputy Commissioner of Public Information.
  • Honest Advisor: His main job is to be this fro Frank.
  • Papa Wolf: He spends most of "In the Box" trying to get his stepson out of trouble.
  • Parents as People: He even lampshades it.
    Garrett: (to Frank) I have a blind spot where Sam is concerned. And a whole lot of coulda, woulda, shoulda's. And I'm left with a deeply flawed way of showing him love, but it's what I know.
  • Slave to PR: To be fair, this is his job. He's the Deputy Commissioner of Public Information, and he often has to give Frank advice that is sometimes frustrating, but in the end this is exactly why Frank trusts him so much: He's loyal, but he's not a yes-man, and will often remind Frank of how certain statements or actions will look to the general public outside the bubble of Frank's office.
  • Screw the Rules, I Have Connections!: In "In the Box," his stepson Sam is arrested by the 35th Precinct for buying oxycodone during a sting operation. Garrett goes to Frank seeking to have Sam released into his custody. However, Frank is suspicious and has Baker look into the matter, uncovering that Garrett has used the pull of 1PP on several prior occasions to keep Sam out of jail. Frank calls Garrett out on this to point out that this is enabling Sam's drug habit, not helping him.
  • Vitriolic Best Buds: With Frank. The two spend most of their time disagreeing, but there is a great amount of respect between the two of them, and Frank respects Garrett's advice.
  • What the Hell, Hero?: Frequently delivers these to Frank. Has also ccasionally been on the receiving end when Frank thought he was out of line. Garrett himself delivers a rather eloquent one to Henry when one of Henry's statements lands Frank in hot water.
  • Your Cheating Heart: "The Job" has him reveal that he's had three failed marriages that were the result of extramarital affairs from his end.

    Lieutenant Sidney Gormley
Played by Robert Clohessy

Gormley is a member of Frank's staff, and is the Special Assistant to the Commissioner, wherein he functions as the liaison between Frank and the sworn officers in the department. He previously served as Danny's supervisor and head of the 54th Precinct Detective Squad for the first four seasons, and was tapped by Frank to be the representative of the rank-and-file as a replacement for Dino Arbogast, after Dino's resignation in the wake of the prostitution blackmail scandal.
  • Book Dumb: He grumbles in "Excessive Force" during his precinct's COMPSTATS audit that he liked it better before it was common for the department's rank-and-file to have degrees in criminology and tactics. Frank politely, but firmly, calls him out for this attitude.
  • Character Tics: According to Danny in "Secret Arrangements", Gormley runs his fingers through his tie when he's lying.
  • Da Chief: He acts in this role towards Danny, far more than his father does.
  • A Father to His Men: Fervently stands up for colleagues of his who get into hot water.
  • Jerk with a Heart of Gold: Gormley is a tough but fair boss. In "Road to Hell," though, when Nicky and her friends got caught for drug possession, he coached her into getting a confession from the friend who possessed the drugs.
  • Non-Promotion: Gormley's candor and concern for the well-being of the rank-and-file cops leads Frank to promote him as Dino Arbogast's replacement as Frank's liaison to the regular cops. However, under NYPD regulations, the Chief of Department is required to be at least a captain. Frank instead invents a new position exclusively for Gormley, "Special Assistant to the Commissioner," which give him the duties and authority of the Chief of Department, although not the rank and privileges that go with it. While Gormley is promoted later on to Lieutenant, the trope is mostly still in effect, particularly whenever Gormley has to interface with senior police officers who technically outrank him.
  • Rank Up: Initially a sergeant, he's nearing retirement when Frank names him Special Assistant to the Commissioner (a title they invented just for Gormley, because as a sergeant he's too low-ranked to be Chief of Department, who must be at least a Captain or higher) in "Excessive Force". He gets promoted to lieutenant six episodes later in "Sins of the Father".
  • Reassigned to Antarctica: What he originally thought was going to happened to him after he shot off his mouth to Frank at a COMPSTATS meeting. He even told Danny that he believed he was being sent to Siberia. Though it turns out Frank was giving him a promotion.
  • What the Hell, Hero?: When a former partner of his is accused of excessive force in the death of a crazed man in the streets, Gormley rightfully chews out Frank for not standing up for the officer. It later happens when he gives similar remarks in a COMPSTATS meeting concerning the reputations of his own men, as the meeting happens while Danny is under investigation for a (false) excessive force complaint.

    Dino Arbogast
Played by John Ventimiglia

The former chief of the Organized Crime Control Bureau (OCCB). He's later promoted to Chief of Department after the retirement of the previous occupant of that position, but is forced to resign in the season 4 finale after he's implicated in a corruption scheme.
  • Burn Baby Burn: After being forced to resign in disgrace over the prostitution scandal, Dino is shown burning his uniform in his backyard
  • Da Chief: First functions as the chief of OCCB, functioning as the guy that Jamie answers to during his occasional infiltrations into the Sanfino crime family. In season 4, Dino is promoted to Chief of Department (the highest-ranking sworn officer).
  • Dirty Cop: His downfall comes when it's discovered that he was one of several high-ranking officials caught up in DA Amanda Harris's blackmail scheme. Not only that, but Dino attempted to have Danny benched in an effort to cover his tracks.
  • Dirty Old Man: He's caught on video committing lewd acts with an escort hired by a recently deceased brothel madam, and was blackmailed into silence by Amanda Harris.

Recurring Characters

    Mayor Carter Poole 
Played by David Ramsey

Mayor of New York starting in season 2.
  • Because You Were Nice to Me: One of the reasons he has a soft spot for Frank is that when he was a kid and Frank was just a patrol officer, Frank coached basketball for him.
  • Character Tics: He scratches the back of his head when he's bluffing.
  • Commuting on a Bus: Shows up less often from Season 4 onwards due to his being a series regular on Arrow as John Diggle. He still plays a crucial role in the plot though, and his scenes with Frank are typically some of the most crucial in the episodes where he appears.
  • The Complainer Is Always Wrong: He gets saddled with this trope a lot. He may think the NYPD needs reforming, while Frank is more than happy to point out that things at the NYPD are just fine.
  • Heroic B.S.O.D.: Considers tendering his resignation after remarks he made about the recent police shooting of a teenager armed with a knife led to a cop being shot in what appeared to be a retaliation attack. Frank talks him out of it.
  • No Celebrities Were Harmed: He's somewhat of a mix of President Barack Obama and Newark, New Jersey mayor Corey Booker. The Obama comparisons are noted early on when Henry notes that Poole was previously a "community organizer", a phrase frequently thrown around during Obama's 2008 presidential campaign to describe some of his earlier work. The Booker comparisons come from Poole's status as a young, personable, media-savvy African-American mayor of a major city in the northeastern United States (indeed, as a neighbor in the Tri-State Area, Newark is just on the other side of the Hudson from New York City, and there's frequent New Jersey Transit, Amtrak and PATH train service between the two).
  • Our Presidents Are Different: More like Our Mayors Are Different. He's a Mayor Personable/Mayor Minority combo.
  • Reasonable Authority Figure: Seems to work pretty well with Frank, too, though politics puts them at cross-purposes once in a while.
  • Sleazy Politician: Downplayed. He is not very sleazy but he does think like a politician and sometimes cuts corners in morality especially in the eyes of the more straitlaced Frank. Also he sometimes thinks too much about Nepotism toward his original constituents rather then thinking in terms of the whole city. In a way he is a more modernized and respectable version of a traditional New York City ward boss. Indeed, at the beginning of the Season 3 finale "This Way Out", as the angry crowd at the town hall meeting says some harsh things about NYPD policy (much to Frank's chagrin), Mayor Poole is seen coolly analyzing the situation and very obviously thinking about how to placate his constituents. He then starts giving a rather politiciany speech, beginning "Now, I as a child of the projects myself, completely understand your frustration..." causing the audience members to groan, only to get shot mid-speech. Still, although Frank doesn't like to hear it, Mayor Poole does need political popularity and influence in order to help Frank in certain situations.
    • Also, while he does clash often with Frank, at the core both of them are Not So Different: they both want to achieve what's best for the public, it's just that they disagree on how to get there. As an example, both of them are concerned over terrorist threats, but Frank would rather work quietly and keep things off the news, while Poole would warn the whole world, partly because he doesn't want to be seen as someone who did nothing, but also because he is genuinely concerned for his city.
    • The most sleazy thing he's done is in Season 6, where due to Frank's bad publicity he drags his feet on whether to keep him on as the PC.
  • Took a Level in Jerkass: In Season 6, though he gets better.

    Manhattan District Attorney Amanda Harris 
Played by Amy Morton

Erin's boss, the District Attorney of the Borough of Manhattan, through seasons 3 and 4.
  • Bitch in Sheep's Clothing: You don't want to be on her bad side.
  • Corrupt Bureaucrat: It turns out that she's got a long-standing deal with a high profile madam who has her people seduce high profile New Yorkers and get them on tape so that Amanda can blackmail them whenever she needs a favor. When Erin finds out and confronts her, Amanda calls Erin stupid for not being on board with this, and threatens her. It doesn't work.
  • Foreshadowing: Back in season 3, it comes to Erin's attention that she withheld evidence that could have had a big impact on the outcome of a case she was prosecuting, and her reaction when Erin confronts her about it is essentially "I know the guy was guilty, so I didn't need to show evidence that could have implied he wasn't, now stop being naive," making it clear that morals don't mean much to her. End of season 4, she gets arrested for being an actual crook - running a lengthy blackmail scheme.
  • Hoist By Their Own Petard: She threatens Erin's career when Erin confronts her on her corruption, but gets arrested in the end, ironically by the very same pair of district attorney investigators she'd been tricking into doing her bidding earlier in the episode. The look of shock on her face is priceless.
  • The Iron Lady
  • The Mentor: To Erin. She nurtures Erin's talent and notes "Y'know, it wasn't easy getting to where I am, but you know how I did it? In every job along the way, I made myself indispensible. The boss knew I had their back. And now I'm looking for people who can do the same for me. People who want a future in this office. People like you, Erin."
    • Brutally subverted at the end of her arc, in the most gut-wrenching way possible. Erin is disgusted to discover that Amanda has been conspiring for years to entrap and blackmail lots of people of major influence, like high-level cops, politicians, pro athletes, and various celebrities, in order to guarantee their assistance whenever she needs it (whether this assistance is solely for cases or possibly for darker, personal reasons is left open to speculation). When Erin confronts her on it, Amanda—her mentor—replies "Oh you stupid, stupid child," in the most chillingly calm voice ever, breaking Erin's heart. She then goes to give her a horrifying Breaking Speech, including parts where she mocks Erin, saying "You waltzed in here like a glamorous model posing for a statue of Justice," and goes on to claim that she tried to show Erin how to really get things done, and then threatens Erin's career.
  • She Who Fights Monsters: Maybe. It's possible that she might have started out with good intentions, and that she really did do what she did to guarantee that she could put bad guys away; the problem is that in the process, she became a bad guy herself.

    Manhattan DA Robert Mccoy 
Played by Holt McCallany

Amanda Harris's replacement after she is arrested for her prostitution scandal.
  • Corrupt Bureaucrat: Just like Amanda, but for different reasons. Erin gets suspicious about McCoy's actions around the handling of a Riker's Island corrections officer who pled guilty to drugs possession. After she finds out that the officer in question was one of several involved in a drug trafficking ring at Riker's, she finds that McCoy has been trying to cover up the scandal to protect the head of the NYDOC, who was a friend of his father's. Erin convinces him to turn himself in and resign.
  • Introduction by Hookup: He's originally introduced a defense attorney who meets Erin at a speed-dating session her girlfriends convinced her to attend. They start dating at the end of the episode, but break up after the Corrupt Bureaucrat thing above.

    Noble Sanfino 
Played by Eric Morris

While in plainclothes at a bar during the Season 2 premiere, Jamie Reagan saved a young man's life from an accidental overdose. The guy turned out to be Noble Sanfino, the heir to a major crime syndicate. OCCB parlayed Jamie's brownie points into an undercover assignment for the rookie cop.

    Inspector General Kelly Peterson 
Played by Bebe Neuwirth

The new Inspector General as of Season 4.
  • The Ace: A tough-talking Jersey Girl who made a name for herself fighting crime, through the legal system, in Newark, eventually rising to become the Essex County Prosecutor. She also shows herself to be a pretty skilled markswoman, as seen when Frank takes her to the shooting range.
  • Belligerent Sexual Tension: Often at odd with Frank, but it's obvious they still have feelings.
  • I Love You Because I Can't Control You: It's heavily implied that she and Frank end up feeling this way about each other by the end of her arc. Each of them recognizes the necessary tension that their jobs require them to have in order to make sure that both sides are given a fair hearing, and although they often butt heads and argue, they come to genuinely admire and respect each other for being honestly passionate about their ideals. Humorously noted in one episode when Kelly threatens to subpoena Frank and even get him arrested if he doesn't cooperate with one of her investigations into something Frank deems classified informationnote ; Frank asks "Would you really throw me in jail?", to which Kelly responds "Yes....but with a heavy heart." Indeed, the reason she eventually quits her job is because she doesn't think she can keep up the adversarial nature her job requires that she have towards Frank...and it's heavily implied that it's because she's fallen for him.
  • Joisey: A native New Jerseyan, Kelly made her way up the ranks of the Newark DA's office, and was the lead prosecutor in the Essex County, New Jersey court system before she accepted the position of NYPD Inspector General.
  • Obstructive Bureaucrat: Sometimes can come across as a hard case, but her heart's in the right place.
  • Old Flame: With Frank.
  • Put on a Bus: She quits at the end of the season because (paraphrasing her words) her job requires her to have an adversarial relationship with the PC, and she realizes she likes Frank too much. In her words, her job requires her to be antagonistic towards the Commissioner, or at least neutral. She says she's "supposed to be Switzerland"...but instead "I'm Bay Ridge" (Frank's neighborhood). She admits "I root for you, Frank."
  • Sympathetic Inspector Antagonist: When she's Frank's antagonist.

    Reverend Darnell Potter 
Played by Ato Essandoh

A spotlight-loving black pastor who frequently clashes with the NYPD and Frank in particular over race issues, including leveling accusations of Police Brutality.
  • Arch-Enemy: To Frank, or the closest thing he has to one.
  • Enemy Mine: Downplayed with Frank in one episode where both of them are not happy that a white supremacist radio host is doing a show in New York (although he and Frank still disagree on how best to deal with the situation; Potter would rather side with the mayor and shut down the show, while Frank would prefer to let the show go on).
  • Evil Cannot Comprehend Good: Potter may not be "evil" per se but it's clear he has a corrupt side. In various meetings, it's obvious Potter refuses to believe Frank isn't driven by racism and a wish to always protect dirty cops and thinks they're engaged in political games, unaware of how much Frank hates that. More importantly, Potter can't accept that Frank will always put public interests and others before his own image and standing as Potter would never do the same.
  • Karma Houdini: The man is blatantly corrupt and is involved with shady characters. It's rather impressive he hasn't been arrested himself for some of his antics in the episodes where he appearsnote , though it's implied that the NYPD is wary of giving him ammunition.
    • In his first appearance in "Black and Blue" he creates a confrontation with the NYPD by having a friend make a 911 call at his church and then having some of his parishioners screw with the responding officers, who happen to be Jamie Reagan and Sgt. Renzulli. Jamie and Renzulli get knocked down the stairs by some large black men. Jamie gets some cuts to his face, and Renzulli gets hospitalized with a concussion
    • In "Excessive Force" he basically pays off an immigrant family to keep quiet about the fact that a suspect is lying about Danny throwing him out a third-story window during his arrest.
  • Malcolm Xerox: Rev. Darnell Potter is a fairly transparent Straw Political of the Rev. Al Sharpton. Not only is he a demagogue, an accessory to murder, a crook, a hatemonger and a liar, he's waging a motiveless war on the NYPD to boot: He has never once managed to make a truthful accusation of Police Brutality on-screen, but that hasn't stopped him from jumping on anything he thinks he could twist into one (or one he could create). Taken Up to Eleven in his first appearance, where he can quote Malcolm X by heart, but is apparently unfamiliar with anything Martin Luther King ever said.
  • Sinister Minister: He claims to be a man of God, but he's really just interested in the position for the political power it gives him over the Black community.
  • Straw Hypocrite: He claims he is defending the black communities, but it is quite clear to anyone that has spent more than a minute with him he is just manipulating the black community for his own needs.
  • We Used to Be Friends: With Mayor Poole. Poole broke it off when Potter's shady dealings came to light.

    Javier "Javi" Baez 
Played by Kirk Acevedo

Maria Baez' older brother, a heroin addict who's caused nothing but trouble for the family since he was a teenager.
  • Big Brother Instinct: Maria is upset that the brother who's now involved in crime used to be the guy defending her from "all those bullies when we were kids." Although she has trouble trusting him, Javi is actually still trying to protect her.
  • Black Sheep: Javi broke the hearts of his parents and Maria by choosing to go down the path that he did. Maria still bitterly resents him for this.
  • Descent into Addiction: A key part of his backstory. This, along with his slide into criminal behavior, is what drove his family away. Now he's desperately trying to prove to them, particularly Maria, that he's clean again and no longer a criminal.
  • Foolish Sibling, Responsible Sibling: The foolish one, to Maria's responsible one.
  • The Informant: For the DEA and then the NYPD. When Maria and Danny force him to reveal this, he laments that this is the "first time in [his] life" that he's done something that he thinks Maria will be proud of.
  • Knight Templar Big Brother: Unusually, it's not in a way that's harmful to others, but to himself: he's so desperate to show his little sister that he still loves her and to let her know that he's redeemed himself that he repeatedly goes to insanely dangerous, self-sacrificing lengths to prove that he's not a criminal anymore.
  • Recovered Addict
  • Redemption Equals Death: After getting clean, he turns snitch for the department and helps them land a big drug bust, but throws himself in front of a submachine gun during the raid to protect Maria.
  • Stupid Sacrifice: His manner of death is kind of like Taking the Bullet for Superman: Maria is the one with the Bulletproof Vest onnote . Quite likely he wasn't thinking too clearly, though.
  • Taking the Bullet: Dies taking a bullet for Maria.
  • "Well Done, Son!" Guy: Although Javi is the older sibling, he now desperately wants to regain Maria's approval, due to his fall from grace.

    Jack Boyle
Played by: Peter Hermann

Erin's ex-husband and Nicky's father.
  • Amicable Exes: Downplayed with his ex-wife Erin Reagan. They're reasonable but rather curt with each other, and the first time we meet him, Jack wonders why Erin still has her married name "Reagan-Boyle" on her door. She says it's the same reason people who have lost weight keep a "before" picture. Ouch. However, they still care for each other.
  • Disappeared Dad: To Nicky. She knows exactly where her dad is, but he usually takes little-to-no interest in his daughter's life. Erin and the rest of the Reagans are not amused. Henry refuses to shake Nicky's father's hand when they run into him at a party, and Frank bluntly tells him "You walked away from two of the most wonderful women I've ever known."
  • The Friend Nobody Likes: An extended family variant and justified. Due to his actions after the divorce (including moving away and not keeping in contact with his daughter), Jack is not very well liked by the adults in the Reagan family (although his nephews, Jack and Sean, are both excited to see him when he returns to New York).
  • Jerk with a Heart of Gold: Despite being a neglectful father to Nicky, Jack does care for his daughter and in one episode he protected Erin when one of his clients attempted to use her as a bargaining chip.
  • Man Child: Deconstructed. Erin accurately points out that Jack only wants the fun and exciting parts of a relationship, but doesn't want to get into anything serious. This trait has lead him to neglect Nicky and was a main factor in why he and Erin didn't get back together after their one-night stand.
  • Parental Neglect: He doesn't take any interest in Nicky's life. Although, it's more out of selfishness than being an outright jerkass.
  • Pet the Dog: When Danny gets framed for drug possession, Henry approaches Jack and has him defend Danny. After he is cleared, Jack only charges Danny a single dollar.
  • When You Coming Home, Dad?: To Nicky and it's more like, "When you coming to visit and spend time with me, dad?"