Clive's boss and the man in charge of Seattle's Homicide Division, and a zombie, transformed by Blaine in order to have control over the police.
- Aborted Arc: Its implied Blaine scratched and later killed Vivians husband Harrison Graves. Vivian wishes to get revenge on whoever killed her husband, but she doesnt have the chance to do so before she is killed off to accommodate Andrea Savages departure from the series for her Tru TV show I'm Sorry. It is never brought up again, even with a Chase Graves, who was Harrisons brother.
- Anti-Villain: He doesn't want to be a zombie or a Corrupt Cop, but he's blackmailed by his need for brains. When given the chance, he covers up Lowell's death in a way to remove Liv as a murder suspect. He also covers up the attack on the Meat Cute, and sacrifices himself to both escape the brain-craving and make it look like he was responsible, while implicating Blaine.
- Blackmail: How Blaine controls him; Suzuki clearly doesn't want to work for him, but has no other alternative to keep his need for brains in check.
- Corrupt Cop: Well, even if he doesn't want to be, he is still covering up Blaine's murders.
- Framing the Guilty Party: Blaine did not kill the people in the Meat Cute, but Suzuki makes sure the police get Blaine, by writing his name with blood on the wall. Too bad the second name was unreadable, due to the explosion he caused.
- Heroic Sacrifice: The Season 1 finale, him covering up Major's attack on Blaine's men and giving his life to implicate him instead, but not until after trying to identify Blaine as the ring-leader.
- Pet the Dog: Two points in particular.
- As well as generally just being nicer to Liv than he is to Clive or his other detectives, when Blaine kills Lowell and orders him to cover it up, and the police seem to think Liv was involved, rather than let Liv take the blame, he instead pushes to have it labelled a suicide and personally tells her she's free to go.
- Secondly, as mentioned above, after Major leads a one-man attack on the Meat Cute, Suzuki covers up the attack and blows the place up, with himself still inside, to make it look like he was the one responsible.
- Thanatos Gambit: His aforementioned Heroic Sacrifice.
- Unwitting Instigator of Doom: He didn't realize that Liv's brother Evan was standing outside the deli at the same time that he was trying to blow it up, and his last act unknowingly sent Evan to the hospital with severe injuries.
Suzuki's replacement as the lieutenant in charge of the homicide unit.
Another detective in Clive's unit. He becomes Dale's partner once she is trapped in Seattle.
- Jurisdiction Friction: Is very protective of his cases, even getting mad when he learns Clive is investigating one of them behind his back.
Detective Lou Benedetto
A vice detective. He oversees Drake Holloway and also maintains an unofficial network of confidential informants among the local teenage populace.
- Back for the Dead: After a few appearances in Season 2, Clive reports him to Internal Affairs and he vanishes for some time. However, he shows up again as a Victim of the Week in the back half of Season 4.
- Cowboy Cop: He enlists a bunch of local teenagers in his war on drugs by forcing them to become confidential informants for him. This falls apart when one of his informants continues to deal drugs, then kills another informant who finds out about it. He also proves willing to inflict pain on suspects to get them to talk.
- Dirty Cop: He tries to steal the loot of some thieves that he's chasing.
- Victim of the Week: Becomes one.
A detective in Clive's homicide unit, and one of the first killers that Olivia helps Clive bring down.
Officer Matthew Voss
A police officer who is seen when one of his stalkers is murdered.
- Fair Cop: He was a suspect in his first major appearance because the victim, a serial stalker, had been attracted to him and slept with him.
A police sketch artist.
- Butt-Monkey: Is called in whenever Liv is on a particularly eccentric brain, the first time being when Liv ate the brain of a pretentious artist and she gives Jimmy abstract descriptions rather than actual concrete facial features for him to draw. Or who can forget Liv on dominatrix brain and she bullies him relentlessly.
- Embarrassing Slide: Has a sketch of Liv dressed provocatively in his notebook.
A forensic technician. Also known as "Vampire Steve."
- Goth: Very much so, even dressing all in black and speaking in low, portentous tones. He was originally a blond and only got into goth and vampire fiction because a girl in his Dungeons & Dragons group was into the same thing.
- Sesquipedalian Loquaciousness: For an IT guy, he speaks with flowery and ominous language.
Mayor Gwen Davis
The mayor of Seattle at the start of the series.
- Benevolent Boss: She is very supportive of Peyton, even encouraging her to continue the prosecution of the Boss crime ring after Peyton offers her resignation.
Mayor Floyd Baracus
Initially Seattle's District Attorney, he's scratched by Blaine and is forced to support his brain-dealing operation with the power of his office. He eventually runs for mayor and wins after surviving an apparent assassination attempt.
- Corrupt Politician: He succumbs to Blaine's blackmail, but demands that Blaine himself pay him to pursue to case against Boss so that he can bribe a number of cops and judges. This trope is also teased and subverted in season three, when Peyton is led to believe Baracus is behind the murder of a dominatrix and the related cover-up. This is also generally subverted since Fillmore Graves takes him in and he no longer needs Blaine's brains.
- Crusading Lawyer: He appears to be this in leading the charge against Boss, but he's just being blackmailed by Blaine and doesn't actually want to pursue the case.
- Everyone Has Standards: He largely just rolls along with whatever Fillmore Graves decrees, yet when they forcefully shut down a local newspaper and shot up place over a single critical editorial about Renegade's execution was needless extreme and directly vocalized this Chase himself.
- Good Parents: His main worry at all times is his kid. When he nearly gets kidnapped, his worry is that he will never be able to see his kid again if it gets revealed that he has killed three man, even if it is in self-defense.
- Killed Off for Real: He's eventually shot in the heart by Blaine; when he dies, it serves as proof that Blaine's zombie-cure works (since if he'd still been a zombie he would have been unaffected by the bullet.)
- Papa Wolf: When a bullet aimed at him almost hits his own son, he goes into full-on zombie mode and almost loses it, weren't for Liv there to calm him down and Carey to secure his child.
- Taking the Bullet: Shields his son Buck with his body during an apparent assassination attempt. His popularity skyrockets after this incident.
One of Seattle's two remaining councilmen after the zombie outbreak. He is a human.
- Obstructive Bureaucrat: He and Zed need to approve things in order for the city to function, but he can't agree with Zed on much, so very little gets done.
One of Seattle's two remaining councilmen after the zombie outbreak. He is a zombie.
- Obstructive Bureaucrat: He and Mort need to approve things in order for the city to function, but he can't agree with Mort on much, so very little gets done.
The local weather man at KTSW.
- And Then John Was a Zombie: Cutting in line in front of worried residents made him one of the first people to receive a dose of the tainted Aleutian Flu vaccine and thus one of the first to realize some of the zombie symptoms. Liv finds him and makes him reveal the existence of zombies on live television as a result.
- Comic Relief: Until "Looking for Mr. Goodbrain, Part 2", in which, he becomes a zombie, and is forced to reveal on live TV that zombies are real and to stop the people from taking the Aleutian Flu vaccine.
- Running Gag: Whenever a female sex worker of some kind is killed he is almost guaranteed to be in the episode.
- Shoo Out the Clowns: Flipped. Although Frost was a comical character in all previous encounters, the finale of season 3 has his becoming a zombie played entirely seriously, and he is the one to announce to the world that zombies are real.
A woman Ravi meets during the zombie hunters meeting. A photographer eager to be the first one to photograph a zombie.
- Bitch in Sheep's Clothing: She was presented as a cool and down-to-earth alternative to the Zombie Hunters, claiming all she wants is to be the first one to photograph a zombie. She is a reporter that goes behind Ravi's back to publish her story.
- Intrepid Reporter: Goes to great lengths to break the zombie story, including forming a relationship with Ravi and witnessing the Johns brothers' attempts to torture and kill Don E.
- The Reveal: She wasn't among the Zombie Hunters, she was a reporter going undercover for the news regarding them and possible zombies.
- The Vamp: While she's not evil or villainous per se, there's some immorality there with her charming Ravi and getting him to spill the beans on the big zombie secret.
A radio host.
A reporter who is turned into a zombie by Blaine. In exchange for brains, he uses his position on a prominent newspaper to keep Blaine informed on various developments.
- Asshole Victim: He's unquestionably a victim of Blaine's schemes, but he's also a horrible person. He's one of the 'clients' who rapes Natalie, the prostitute that Blaine zombified and forced to accept his clients as her own in exchange for the brains she needs to survive.
- Bullying a Dragon: When Natalie goes missing, Jeremy calls up Blaine and threatens to harm his interests unless Blaine finds him another zombie prostitute. Blaine, in response, just has Major knock Jeremy out and stick him in a freezer.
Alice "Al" Bronson
A reporter who profiles celebrities.
- Gender-Blender Name: Blaine expects her to be male, as he heard her nickname and thought it was her full name.
A high-powered and expensive lawyer that Max Rager hires to defend Major when he is arrested for his work in dealing with Seattle's zombies. He later works for Blaine.
A high-priced defense attorney.
- Amoral Attorney: He is loyal to his employers, not his client. He manipulates James Weckler into taking a bad plea deal rather than turn over evidence in exchange for a better deal, as the people paying for him would be implicated in the evidence Weckler has.
Renegade's organization and wards
Mama Leone, also known as "Renegade"
A coyote whose crew helps people get into and out of New Seattle. She also turns terminally-ill people into zombies to save their lives, which causes her to run afoul of Chase Graves... who hires Blaine to deal with her.
Baron, Stan, and Suki
Three of the few members of Mama Leone's organization to continue on after Leone's execution.
- Bad "Bad Acting": They're not terribly good actors when preparing for the raid on the secured port area.
A new coyote working for Renegade's operation.
- Running the Blockade: His job.
A terminally-ill girl who is smuggled into New Seattle, only to find that she is unable to become a zombie.
- Black Comedy: She's fond of pretending to be dead or making jokes about her imminent death.
- The Danza: Her name is almost identical to the first name of her actress.
- Face Death with Dignity: She's made her peace with her upcoming demise.
- Faking the Dead: She does this a lot as a joke.
- Ill Girl: She's terminally-ill.
- The Immune: Seems to be this. Liv was unable to infect her with the zombie virus.
- Killed Off for Real: Her illness eventually killed her.
Oliver, Annie, and Pippi
Three kids in a horrible foster home who run away to Seattle and move into Renegade's headquarters.
- Orphanage of Fear: They say that their foster home is so horrible that they'd rather sneak into a city run by zombies.
Michael Gladwell and Jalen Gladwell
Jordan's brothers. They eventually move into the headquarters of Renegade's operation.
- Bully Hunter: Michael flips out and attacks a kid that was bullying him.
Other victims of Blaine
Blaine's first victim. He scratches her, then charges her exorbitant prices for brains like his other customers. She doesn't lose her fondness for him however, willingly becoming his booty call and alerting him to the fact his employees intended to start their own business. However, when his delivery guy forgets to bring her the brains one day, she kills him and thus endangers Blaine's operation.
- Bad Liar: Her efforts to explain to Blaine what happened to her delivery immediately arouse his suspicions, and her story falls apart the moment Blaine shows up and begins to question it.
A boy who was mentored by Major until he fell into Blaine's clutches.
- Human Resources: Blaine killed him and sold his brain to Jackie.
The drug dealer who cut the utopium Blaine provided for the boat party with an unknown substance that, in combination with the Max Rager energy drink, made zombies of those who took it. Blaine later tracked him down only to find that Gabriel had abandoned drug dealing and become devoutly religious. As Gabriel refused to discuss any details from his drug-dealing days, Blaine turned him into a zombie to make him more tractable.
A fellow resident at Liv's hospital and the person who invited her to that fateful boat party. While she may not have been directly scratched by Blaine, she was turned into a zombie as a result of the tainted utopium he provided.
An astronaut and national hero. Blaine kills him in order to sell his brain to rich zombies who want to have visions of being in outer space.
A talkative man who was scratched by Renegade in order to cure his Parkinson's. He was later killed by Blaine, who ate his brain in the hope of seeing visions which could reveal Renegade's location.
- Cannot Keep a Secret: After Blaine and Don eat his brain and become influenced by it, they find themselves incapable of keeping any kind of secret. Anthony himself was shockingly open about his own life as well, easily admitting that he'd had a venereal disease.
Other victims of Carey
A young boy who lived in Clive's apartment building. Clive looked out for him after arresting his (Wally's) father. When Wally was murdered at the orders of Carey, Clive began investigating the case.
- Plot-Triggering Death: His death, as well as the deaths of his family, kicked off Clive's investigation into the zombie truther movement and ultimately into Carey's conspiracy.
Wally's mother and another victim of Carey's conspiracy.
- Domestic Abuse: A victim of this. She became friends with Clive after Clive arrested her abusive husband.
Roxanne Green, also known as "Sweet Lady Pain"
A dominatrix who secretly recorded her sessions. She was murdered to get the recording, which could have incriminated Baracus—a key ally that Carey didn't want jeopardized.
- Dominatrix: Her profession.
Daughter of General Mills, a presidential candidate. She is abducted by Major and Don E and brought to New Seattle in order to force her father to abandon his plans of bombing the city.
- Hard-Drinking Party Girl: She references having been out all night partying before her abduction, and she almost dies after overdosing on utopium.
A principal who tries to minimize the contact his living students have with zombies.
- Van Helsing Hate Crimes: He discriminates against zombies.
A comedian who winds up writing skits meant to increase human-zombie camaraderie.
- Bad "Bad Acting": When she's using Jimmy's script, she's terrible.
A shipping magnate and philanthropist.
- Wealthy Philanthropist: What he's known as.
A teenager with the same disease that killed Isobel.
- Human Resources: Her brain can be used to cure a zombie.
Dr. Collier's twin sister.
- Foolish Sibling, Responsible Sibling: She is the foolish one.