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Crew of the USS Orville

    Captain Ed Mercer
Played by Seth MacFarlane
Species: Human
Homeworld: Earth

The captain of the Orville, ably exploring uncharted space but perpetually unlucky in love.

  • Actor-Shared Background: revealed in "Pria" that he's from New England, although Ed is from Boxford, Massachusetts and Seth is from Kent, Connecticut.
  • Adorkable: The man looks to Kermit the Frog as his ideal leader.
  • The Alcoholic: Downplayed; One of the irks Kelly had was that he liked to have a beer for breakfast, citing "German tradition" (even though he doesn't have a lick of German ancestry), and the bottle was one of his solaces after his marriage fell apart. In Season 2, the ship's bartender half-jokingly mentions he's going to have to start keeping an entire extra supply of whiskey just to keep up with Ed's intake. The captain even glibly refers to himself as an alcoholic at one point.
  • Amazingly Embarrassing Parents: His parents are prone to oversharing details about their personal lives and Ed's past and medical history.
  • Amazon Chaser: He certainly seems to have a type when it comes to women. Both Kelly and Pria are more than capable brawlers, and Alara is relieved that he has zero issues with her Super Strength. Teleya was also quite the resourceful fighter, which keeps up the trend.
  • Belligerent Sexual Tension: Still has this with his ex-wife.
  • Beware the Silly Ones: Although he's very easygoing and seems to be out of his depth a lot of the time, Ed's actually a very capable combatant who's come out on top of some very dangerous situations.
  • Birds of a Feather: Shares a sense of humor and a snarky outlook in life with Kelly.
  • Born Unlucky: An anti-bullying bill is named after him, implying Dark and Troubled Past. He tanked his career by going Heroic BSoD after the divorce. And everyone he has hooked up with since Kelly has turned out to be a predator, abuser, spy, or some combination of the above. And because this is a bit more cynical of a universe than Star Trek, he loses more often than he wins when taking a moral high ground. He plugs on anyway.
  • Bunny-Ears Lawyer: A Downplayed Trope example as he is a perfectly fine captain and officer, he just had a really messy divorce that mixes with his natural snark.
  • The Captain: In command of the Orville and extremely eager to explore the unknown.
  • Catch Phrase: "Alara, you wanna open this jar of pickles for me?"
  • Composite Character: Is effectively Captain Kirk combined with Family Guy's Brian.
  • Confusion Fu: His preferred method of handling enemies seems to be distracting and confusing them long enough to whip out a sneak attack. The Krill captain was distracted by an impromptu attempt at marriage counseling, and Hamalac's guard was distracted by Ed's Refuge in Audacity bluff that he was an old college pal.
  • Deadpan Snarker: His default setting is to snark whenever confronted with something new and/or unpleasant.
  • Drowning My Sorrows: In the immediate aftermath of the breakdown of his marriage with Kelly, Ed started hitting the bottle hard enough that it derailed his career. After his and Kelly's attempt at rekindling their relationship doesn't work out, he starts consoling himself at the Orville's bar often enough that Irix, the ship's bartender, comments that he'll have to start requisitioning extra bourbon in order to keep enough in stock just for Ed.
  • Green-Eyed Monster: He is overcome with jealousy when he finds out that Kelly is seeing someone new in Season 2.
  • Guile Hero: He isn't physically strong nor is he in command of a powerful ship so he uses his wits to outsmart his enemy and defeat opponents who would otherwise beat him in a brute force showdown. A great example is his use of a dummy Union database full of completely bogus (but authentic-looking) information to try and buy himself some time when the Krill try to pull a I Have Your Wife scenario.
  • Heroic BSoD: He was considered to be one of the rising stars of the Planetary Union and expected to command heavy cruisers on exploratory missions. In fact, he was apparently on the verge of being offered his own command when he discovered his wife cheating on him and fell into a year-long daze.
  • Nice Guy: Ed is a normal, well-meaning kind of guy.
  • Obfuscating Stupidity: Uses this a number of occasions to deflect people from shooting at him.
  • Stepford Snarker: Ed pretty much admits that all his jokes and deadpan commentary are hiding the fact that he's scared and insecure as shit about many of the things he has to do as captain.
  • Too Much Information: Has a tendency to do this with his crew.
  • Why Did It Have to Be Snakes?: He suffers from arachnophobia.
  • The Workaholic: Was apparently this before his marriage disintegrated.
  • You Are Better Than You Think You Are: Once he finds out that Kelly was the reason why he got a ship after the divorce, he promptly starts to doubt he's actually qualified to be in command, despite being told that the admiralty is convinced he's proven himself. He finally gets over it by the end of the episode.

    Commander Kelly Grayson
Species: Human
Homeworld: Earth

Captain Mercer's ex-wife and his first officer.

  • Action Girl: Is shown to be a good shot with a plasma blaster and can throw and take punches like a champ.
  • The Atoner: Attempts to make up for the floundering of Mercer's career that her adultery caused by getting Mercer his own command and serving as his first officer.
  • Belligerent Sexual Tension: Has this with the Captain.
  • Berserk Button: Do not tell her to calm down.
  • Birds of a Feather: It’s clear that Kelly shares Ed’s sense of humor and tendency to snark.
  • Deadpan Snarker: Every bit as much as the Captain.
  • For Want of a Nail:
    • In "Mad Idolatry" she winds up on a multi-dimensional planet with an accelerated time frame, and while there, she heals a little girl who takes a bad fall. That one act convinces them that she's a deity, kicking off centuries upon centuries of atrocities and holy wars committed in her name. Although at the end, even the planet's inhabitants admit that even if she hadn't shown up, they would have found a different deity to worship and commit atrocities for in her place.
    • Hit her againcome "Tomorrow, Tomorrow, and Tomorrow." Her time-displaced younger self unhappy with the way Present-Kelly's life turned out, turns down a second date with Ed, causing a set of Disaster Dominoes that ends up with the Kaylon wiping out all life on Earth, and half of the known universe.
  • Good Adultery, Bad Adultery: Averted with her cheating on her husband as it caused his Heroic BSoD. (A later episode, however, strongly implies she was under the influence of alien pheromones at the time.)
  • Has a Type: Ed notes that Kelly seems to end up with men who have a tendency to be workaholics. She also likes it when her partners are occasionally dopey and imperfect.
  • Must Make Amends: Mercer's career floundering in the divorce fallout is her fault, and she knows it. As self-imposed penance, she used some family connections in the Union Fleet Admiralty to set Mercer up with a command, and also to get herself an executive officer position in his command to further help get his career back on track.
  • Number Two: An extremely competent commanding officer and every bit as qualified as Captain Mercer.
  • Statuesque Stunner: Goes with being played by Adrianne Palicki.
  • The Stoner: She likes cannabis and favors extremely potent strains.
  • Sympathetic Adulterer: Played With. The Krill Captain takes her side when discussing her marriage and its subsequent disintegration, and she's trying her darndest to get Ed's previously promising career back on track after he floundered in the divorce fallout. Meanwhile, Malloy clearly thinks she is in the wrong and badmouths her to the entire crew. As of "Cupid's Dagger," this gets called into question further seeing as the man she cheated with has powerful pheromones and a vague at best concept of sexual consent.
  • Your Cheating Heart: Cheated on Captain Mercer due to how much he was working. Quite possibly subverted, since the alien she had the affair with may very well have been in heat, which affected her judgement.

    Lieutenant Commander Bortus
Played by Peter Macon
Species: Moclan
Homeworld: Moclus

The Orville's second officer. Klyden, his mate, is also aboard the ship.

  • Aliens Speaking English: Bortus learned English as a second language and is conversing with his human crewmates in their native tongue rather than using a translatornote 
  • Berserk Button: Being reminded of Topah's gender correction is a big sore point for him.
  • Bizarre Alien Biology: Bortus is a Moclan, a One-Gender Race that only has to pee once a year and lays eggs to procreate. At one point John crassly questions how Moclan reproduction even works. At least in the early stages of their lives Moclans also age much faster than humans, as in just a year his son seems to be about ten.
  • Casual Kink: In "Primal Urges", Bortus demonstrates a taste for kinky role play in the simulator. The other characters express anger and frustration in how his habit becomes disruptive rather than judging him for his proclivities.
  • The Comically Serious: He seems to completely lack a sense of humor but this makes him all the funnier.
    • "Pria" shows he does have a sense of humor when he agrees that seeing someone landing on their balls when trying to perform a stunt on a bicycle is funny. Of course he says this in his normal, utterly serious, voice.
  • Consummate Professional: While the rest of the crew are perfectly capable officers, Bortus is the most professional member of the crew. For example, he is the only one to suggest that eavesdropping on Ed and Kelly’s private conversation relating to their marriage breaking down is inappropriate.
  • Defends Against Their Own Kind: Essentially adopts this in the episode "Sanctuary", when he joins Grayson in fighting off a Moclan force sent to abduct the female Moclan refugees on a refugee planet they had established.
  • Extreme Omnivore: Moclans, due to evolving in harsh environments with little edible food, are able to extract nutrients from almost anything. In a single sitting, Bortus demonstrated that he can eat a ball of wasabi, a cloth napkin, a cactus, and a glass (he was even gonna make a brave attempt at downing a Krill pistol before it was revealed to be a prank) without feeling any ill effects. However, accidentally eating a piece of Yaphit leaves him with a touch of indigestion.
  • Hidden Depths:
    • States he can sing in "Majority Rule" and is about to karaoke in "Cupid's Dagger".
    • Over time, he has shown to be surprisingly tolerant by Moclan standards, defending his daughter's right to be raised as a female (even if the court case didn't rule in his favour) and not mentioning to anyone that one of his ex partners was also attracted to women.
  • Made of Iron:
    • Takes a punch from Alara that's enough to throw him across a room with what essentially amounts to a bruise. He even waves off Klyden's concern by saying that he got caught in an explosion.
    • He is stated to be the second-most durable member of the crew after Isaac and is able to withstand radiation levels that would melt a human.
    • In the Bad Future, he survived in the ship's wreckage at the bottom of the deepest part of Earth's ocean, surviving on minimal life support and combat rations.
  • Proud Warrior Race Guy: As a Moclan, he comes from a culture entirely devoted to masculine pursuits (an evening spent killing hordes of enemies in a VR game is considered a good first date) and weapons manufacturing. He takes failings both major (i.e. the ship being damaged) and minor (i.e. not having snacks ready for guests) very seriously. His greatest fear is being conquered by a foe who's even stronger than he is.
    • Interestingly, he has fantasies of being sexually subjugated.
  • Red Oni, Blue Oni: The blue to Klyden's red. Bortus keeps a tight lid on his emotions and strives to be as stoic as possible.
  • Secret Keeper: He broke up with Locar because Locar was more into women, but kept it a secret because such a thing would have resulted in Locar being killed or jailed for life.
  • The Spock: Everything seems to be literal and logical for him.
  • The Stoic:
    • Is definitely not the emotional type, his voice almost never changes volume. Even when his child hatches and he discovers it’s a female, he only shows the barest reaction.
    • In the Bad Future, he's informed his homeworld was destroyed...with his husband and son. He only shows the slightest reaction of slumping over in defeat.
  • Super Strength: Of the characters introduced so far, it's implied that he's the third strongest behind Alara and Isaac.

    Doctor Claire Finn
Species: Human
Homeworld: Earth

The Orville's medical officer who is also seemingly overqualified to be serving on such a small ship.

  • Actor-Shared Background: is from Baltimore.
  • Brutal Honesty: Effectively says she's there to make sure the Captain doesn't crack under the pressure.
  • Evil Is Hammy: Jerald must have had a lot of fun hamming it up as an insane version of her from "Firestorm" in the simulation.
  • Face Your Fears: It's established early on that she is acrophobic. But held captive in a locked room with her only exit being a window to a narrow ledge and a 600 foot drop? Not even that can stop her from trying to get to her kids.
  • Glamorous Single Mother: She chose to have children by herself after having decided that she wasn't going to find a partner she wanted to spend her life with.
  • Interspecies Romance: After bonding with Isaac during a shuttle crash, she starts developing feelings for him, even though he's an artificial life form. But as of "Identity, Part 2", maybe it wasn't meant to be.
  • Mama Bear: She is fiercely protective of her sons and won't let anything like being kidnapped by a crazed survivalist stop her from getting to them.
  • The Medic: Being the ship’s chief medical officer, while she has a staff of doctors under her, she always personally treats the crew or others when they are injured.
  • The Obi-Wan: Outright name drops the original, whilst giving important advice on being in command to Alara in “Command Performance”.
  • Parents as People: She may have trouble keeping her sons under control and find herself on the brink of exasperation, but she becomes a Mama Bear when they're in danger.
  • Robosexual: She and Isaac are dating as of "A Happy Refrain".
  • Sci-Fi Bob Haircut: Her hair is styled in this manner, with a small shock of green in the back matching her organizational color.
  • Straight Man: Probably the most grounded and sensible person on the crew. Not that it helps much on a comedy series.
  • Super Doc: To the point where Mercer comments that she could've been posted on a heavy cruiser.
  • Why Did It Have to Be Snakes?: She's afraid of heights.

    Lieutenant Gordon Malloy
Played by Scott Grimes
Species: Human
Homeworld: Earth

The Orville's helmsman. He is also Ed Mercer's best friend.

  • Ace Pilot: Very good at his job, despite his quirks. It was to the point in "Deflectors" that he had to "dumb it down" in order for the Molocan warship to actually hit the Orville and test the deflectors.
  • Afraid of Doctors: Gordon is afraid of surgeries.
  • The Alcoholic: Downplayed. He's certainly fond of the sauce, and is seen Drinking on Duty in the pilot. However, he's quite functional, despite it.
  • Ambiguously Bi: After being too scared to ask for a date to Bortus's Ja'loja, he is later seen talking to Dann and being moved by his poetry. The episode also emphasizes that Bortus considers it is bad luck to go to the afterparty without a date.
  • An Arm and a Leg: Isaac amputates his leg as a prank. He later gets a new one regrown.
  • Ascended Fanboy: appears to really love Top Gun, as "Identity, Part II" has him flying a Krill space fighter during the battle against the Kaylon shouting "Just a walk in the park, Kazansky!" and doing Iceman's bite gesture to his Krill wingman.
  • Bunny-Ears Lawyer: He is lazy, insubordinate, and generally considered an annoyance by higher-ups. But he is also one of the greatest pilots in the Union.
  • Combat Pragmatist: Kills his holodeck opponent when he's bowing his head.
  • Genius Ditz: He's clearly a doofus. When asked to name the capital of the historic United States, he replies "Nabisco". However, Gordon is shown to be an Ace Pilot and also seems to have a pretty good understanding of starship engineering.
  • Let's Get Dangerous!: Malloy is able to execute a maneuver he calls Hugging the Donkey, which involves flying at high speeds dangerously close to an enemy vessel to minimize their opportunity to return fire.
  • Sadistic Choice: In Blood of Patriots, he has to choose between helping Orrin - his friend for thirty years who was imprisoned by the Krill after saving Gordon's life - or remaining loyal to Ed and the Orville's crew.
  • Undying Loyalty: Towards Ed, being his best friend.
    • In “Command Performance”, Malloy voices the loudest protest when ordered to abandon Ed.
    • In "Krill," he refuses to give up Ed's location, even after some mild torture at the hands of the titular aliens.
    • In "Cupid's Dagger," he speaks up to Ed that his pal is Not Himself when it comes to Darulio. And he turns out to be right.
    • In the Bad Future of "The Road Not Taken," they're still joined at the hip and teamed up to survive. That timeline's Kelly even Lampshades that if they survive the mess and get a house together, they'll probably have to have Gordon living with them.
  • We Used to Be Friends: With Orrin Channing from Blood of Patriots, they were best friends since grade school but when they reunite after twenty years Orrin is determined to go on a Roaring Rampage of Revenge against the Krill, whilst Gordon is the Helmsman of the ship attempting to hold a Peace Conference with them.

    Lieutenant Commander John LaMarr
Played by J. Lee
Species: Human
Homeworld: Unknown Colony

Originally the Orville's navigator, who also happens to be a highly skilled pilot himself. Later promoted to Chief Engineer.

  • Ace Pilot: While less so than Malloy, he’s still a level eight pilot. He demonstrates his skills in "Identity, Part 2".
  • Brilliant, but Lazy: It's discovered in the first season that he's second only to Isaac in raw intelligence, but preferred to coast in jobs that don't require him to reveal his full intellect.
  • The Casanova: To the point where he dated a two-headed alien woman without one head knowing about the other. He tries to give Malloy and Isaac dating advice, though Isaac hilariously misinterprets some of it.
    • He's never been dumped and his worst breakup ended with the girl telling him that he could still come over and have sex with her anytime he wanted.
  • Catch Phrase: "Boom." LaMarr says this a lot because actor J. Lee says this a lot.
  • Hidden Depths: He has an amazing natural aptitude and intellect, but keeps it hidden because in the society he came from it made him a target of derision and he just wanted to be normal.
  • Mildly Military: He is extremely casual even by the rest of the crew's easy-going standards. Like his intelligence it's eventually revealed he has natural talent for leadership, including giving people under his command a proper reaming out when they deserve it and when necessary snapping out orders that he expects to be obeyed and obeyed now.
  • The Navigator: The Orville's navigational officer. Later becomes Chief Engineer.
  • Only Sane Man:
    • So far seems to be the most normal of the crew and the only one not assigned to the Orville because he was "off" in some way or watching out for someone who was.
    • Subverted in "Majority Rule": No sooner than he was warned not to call attention to himself, he ends up "dry humping" a historic statue while trying to help Alara out, getting himself jailed and the crew in trouble.
  • Rank Up: He is promoted to Lieutenant Commander and given the position of Chief Engineer in "New Dimensions".
  • Skewed Priorities: His main concern upon getting a new captain is to ensure that he will allow him to continue drinking soda on the bridge.
  • Tall Poppy Syndrome: He says that he learned to hide his intellect while growing up as he was living on a new colony and the people around him quickly grew tired of the know-it-all kid when everyone's primary goal was simple survival.
  • The Smart Guy: While his main focus is engineering, Lamarr has a strong grasp of temporal physics and theoretical science. He is also quite talented at improvisational engineering and computer programing. Fitting, as it has been stated that Lamarr is the second most intelligent person on the ship after Isaac, Issac, an advanced AI intellect.
  • Why Did It Have to Be Snakes?: He has coulrophobia: a fear of clowns. It's so severe that he can't even say or hear the word "clown", referring to it as the "c-word."

    Lieutenant Alara Kitan
Played by Halston Sage
Species: Xelayan
Homeworld: Xelayas

The Orville's head of security. Her species is from a high-gravity world, which gives Alara a massive edge in strength and mobility in Earth-like conditions. It is also rare for them to join the military, so those who do are often fast-tracked.

  • Adorkable: Often comes off as this. Examples include when she takes part in challenging Bortus to eat different objects, agreeing wholeheartedly to the idea of getting a cat for the bridge, anytime she's in the boxing simulator, and anytime she's forced to wear a disguise to hide the ridges on her forehead and nose.
  • Back for the Finale: Well, season finale anyway. She returns in the season 2 finale as the leader of a resistance against the Kaylon in an alternate future.
  • Badass Adorable: Petite and able to smash through concrete walls and jump great distances. She also enjoys boxing, considering it "an art form."
  • The Big Guy: Being Chief of security and possessing super human strength, Alara is in charge of protecting the crew and ship from attacks. Ironically, she's the smallest member of the main cast.
  • Bizarre Alien Biology: In Season 2, she reveals that Xelayans don't have livers.
  • Book Dumb: She is considered under educated by Xelayan standards to the point her parents call her "intellectually deficient". Alara chose to abandon her studies on Xelayas to join the Union Fleet instead.
  • Cultural Rebel: A hard-hitting security member from a race of smug intellectuals.
  • Early Installment Character Design Difference: Has no eyebrows and a more prominent brow in the pilot episode; the character's design was softened, with eyebrows now present, beginning with episode 2.note 
  • Ensign Newbie: Alara is the youngest department head aboard the Orville, and admits to having been fast-tracked through the ranks due to her species rarely joining the military. As such, while intelligent and skilled, she has no experience being an officer at the start of the series. This leads to several problems when left in command of the ship in "Command Performance", and a second first-season episode, "Firestorm," further explores her lack of self-confidence.
  • Fictional Disability: She is apparently considered developmentally-disabled by Xelayan standards.
  • Glacier Waif: Alara’s small stature and slim body disguises the fact she is inhumanly strong, capable of casually breaking solid stone and metal, even crushing a solid block of metal into a sphere.
  • Heavy Worlder: Xelayans come from a planet with gravity that is much highernote  than the planetary average.
  • House Fire: Was caught in one as a child, which gives her a lifelong wariness of fire. This proves tragic later, as her moment's hesitation during a fire in engineering makes her too late to save a crewman.
  • Improbable Age: She's just 23 but already the head of security of an exploratory vessel. This is lampshaded by her stating that her race rarely joins the military, so the few that do are fast-tracked through the ranks. And her youth is also referenced in several episodes where she doubts her own capabilities.
  • In a Single Bound: Due to growing up on a world with a much higher gravity, Alara is capable of jumping incredible heights and distances with ease.
  • Klingon Scientists Get No Respect: If the conversation with her parents is any indication, then Xelayans hold military careers in contempt. And since their planetary hat is actually academia and intelligentsia, Alara's path of combat and security is even more undesirable.
  • Made of Iron: Takes a shotgun blast to the chest that would kill a human and survives the initial impact trauma, but still requires medical attention and she eventually fell unconscious from the injuries. In "Firestorm", she withstands a focused attack from Isaac with only a few cuts and bruises. Although it turns out to be a simulation, the purpose was to put Alara in a fear-inducing situation so the peril was genuine.
  • No Guy Wants an Amazon: She notes in "And If the Stars Should Appear" that most men are intimidated by her Super Strength, and is surprised that Captain Mercer just treats her as another officer. Confirms in "Krill" that a relationship with a fellow officer fell apart as a result of him feeling "emasculated".
  • Pint-Sized Powerhouse: Physically, she is the smallest of the Orville's command crew. However, she comes from a planet with extremely high gravity, making her superhumanly strong on worlds with more Earth-like gravity.
  • Phrase Catcher: Ed always says "Alara, you want to open this jar of pickles for me?" to get her to use her Super Strength.
  • Put on a Bus: She chooses to return to Xelaya and rebuild her relationship with her family in Season 2.
  • Reality Ensues: Because she left home very young, an extended period in relative low gravity results in Alara losing significant amounts of muscle mass and bone density.
  • Super Strength: Because of her planet’s higher gravity, Alara is incredibly strong. She can effortlessly rip apart solid steel, reduce a table to rubble and casually knock down a reinforced steel door (as well as a large portion of the wall around it) just by running into it.
  • Waif-Fu: Alara is a short and dainty woman dwarfed by the command chairs on the bridge. However, she is still incredibly strong and is the most physically capable member of the entire crew with the possible exception of Isaac (though she holds her own against him in "Firestorm", albeit only a computer simulated version). Justified, as she is from a world with a much higher than average gravity.

    Lieutenant Talla Keyali
Played by Jessica Szohr
Species: Xelayan
Homeworld: Xelayas

Talla replaces Alara early in season two. The tropes describing Alara's physical abilities also apply to Talla as she is the same race.

  • Contrasting Replacement Character: Unlike Alara, Talla comes from a military family and has a better handle on the scorn other Xeleyans feels about her chosen occupation. Also, Talla is much more self confident in her own abilities and what she can contribute to the Orville and the Union.
  • Cultural Rebel: Like Alara, she is a soldier from a species of intellectuals, but where she differs from Alara is that serving in the military is actually a tradition in her family, and even notes that she and her family are all black sheep on Xelaya.
  • Guile Hero:
    • Of the Indy Ploy school of guile, but still. When her old ship had their power grid knocked out thanks to a Krill attack, the only ship in range that could help them belonged to a fiercely matriarchal species. As soon as she realized that, she quickly broke her captain's nose to assert dominance, and thus impressing the other ship's crew enough to help.
    • It was also her idea to fake a star reappearing in the Giliac constellation so that the crew of the Orville can get Kelly and Bortus out of a concentration camp for aliens who were born under said star sign, perceived to be violent criminals.
  • I Did What I Had to Do: "Deflectors" shows how devoted Talla is to her job when she's given a Sadistic Choice. She could let Klyden, bigoted against heterosexual Moclans, rot in jail for a crime he never actually committed. Or she could expose the frame-up, which would get Locar, a heterosexual Moclan, either killed or jailed for life, because heterosexuality is illegal on Moclan. She does the latter - and quite efficiently at that - because it's her job, no matter how disgusted she is by the entire situation. She does suggest a third option: for Locar to request asylum aboard the Orville, but is rebuffed.
  • Inferiority Superiority Complex: Where her duties are concerned, she is a lot more confident and sure of herself than Alara was, but on the other hand, she is painfully aware that she is replacing a beloved crewmember, and she doesn't socialize as easily.
  • Replacement Goldfish: Considering that Ed specifically requested a Xelayan, and considering how fond Ed was of Alara, it might be inferred that Talla was intended to be this.
  • Shipper on Deck: In "Deflectors" she sees how Ed and Kelly still have a great rapport, and starts wondering why they don't just get back together.
  • Suspiciously Similar Substitute: Another female Xelayan replaces Alara Kitan as Head of Security on board the Orville. Justified in that Ed specifically requested a Xelayan for the position.

Played by Mark Jackson (voice)
Species: Kaylon
Homeworld: Kaylon-1

A non-biological alien from a race known for science, logic, and legendary racism.

  • Adorkable: When trying to date Claire, he gets a lot of things comically wrong due to inexperience, but the human form he takes in the simulator comes across as this.
  • Becoming the Mask: Initially sent in as an infiltrator to see if organics were worth co-existing with and to learn all Union protocols so that his people could turn that against them. In the end, Isaac turns on the other Kaylon to protect the surviving crew.
  • Blue Is Heroic: Has cyan eyes and markings as compared with the rest of his people.
  • Brain Uploading: As a mechanical being with an expendable body, Isaac can easily upload his data into a computer system. He uses it to escape permanent destruction at least once, and when he is returned to Kaylon, his brethren plan to do just that before they're dissuaded by his crewmembers.
  • The Comically Serious: Everything Isaac says is very matter-of-fact and plainspoken, which just makes it funnier when it becomes apparent that he has no filter whatsoever. He once offered sex to Alara in the middle of lunch, in the same tone of voice he always speaks with.
  • Character Development: Over the course of season 1, he's grown from somewhat distant though polite to very subtle acts of compassion and consideration of his fellow officers and crew.
    • Despite (or maybe because of) his bluntness, he bonds with Claire's kids and reconsiders their help in one episode when Lamarr chides him for being blunt.
    • He makes an amusing attempt at bonding with Gordon by petting him on the arm.
    • In the final episode of season 1, he even quips back that one of his "Let me explain..." moments is him trying to be helpful and for the person he's talking to to not be so 'pissy' with him. Small, but certainly beyond the realm of being a cultural observer (especially in contrast to what happens later in that episode).
    • He then got in a relationship(!) with Claire, and realized she's "rewritten" some of his programming just by her company, which is a reasonable analogy for being in love.
  • Condescending Compassion: While always polite and seemingly respectful, it is clear Isaac shares his species' sentiment that biological life forms are inferior and states that the Captain will find him to be his most competent officer. However, as the season progressed, it becomes apparent that the Kaylon's attitude stems from a logical perspective rather than any philosophical, cultural, or spiritual prejudice. Being an artificial lifeform, Isaac is unambiguously stronger, tougher, and hardier as well as being able to process information faster than any biological lifeform. Thus when he says 'inferior' and 'superior', he's intending the very literal meaning of those words without understanding the loaded implications behind their use.
  • Curiosity Causes Conversion: He spent several years in the Union and the equivalent of 700 years on the time-shifted planet in "Mad Idolatry," ostensibly to observe and learn about organics, all the better for his people to destroy them out of a twisted idea of self-defense. Character Development kicked in and it ended with him staying with the Union, becoming an exile in the process.
  • Defector from Decadence: He was built after the Kaylons wiped out their creators. As a result, he doesn't understand his kind's hatred of organics. Because of this, Primary suspects (correctly) that Isaac's programming is compromised.
  • Defends Against Their Own Kind: He tried, unsuccessfully, to advocate that Primary not kill the organic crew, using every excuse from "the point has already been made" to "this would reduce efficiency." When it fell on unresponsive sensors, and Primary demanded he kill Ty, Isaac responded by ripping Primary's head off and frying every Kaylon aboard (himself included) with an electromagnetic pulse that would leave the organics unharmed.
  • Exact Words:
    • He says his species "do not kid." This just means that they never joke; they are fully capable of lying.
    • He states he's on the ship to observe and study organic life. But his observation isn't for diplomatic reasons, it's to decide if organic life deserves to live.
  • Fantastic Racism: Downplayed. His species considers all biologicals inferior but it comes from a position of logical analysis rather than philosophical, cultural, or spiritual prejudice. note 
  • A Form You Are Comfortable With:
    • His "eyes" are purely decorative as his sensory input comes from his entire body; Kaylons apparently had some problems with other species finding them too Uncanny Valley.
    • On the holodeck, he can also tweak the program to give himself a surprisingly attractive human appearance.
  • Glowing Mechanical Eyes: Subverted. What look like eyes on his face are just decorative lights to convey a sense of familiarity when interacting with biological lifeforms. Kaylons "see" using sensors all over their bodies.
  • Innocently Insensitive: He's frequently insulting to the rest of the crew without meaning to be. In "A Happy Refrain" he flat-out breaks Claire's heart without even realizing he's doing it.
  • Instant Expert: As he can simply download new knowledge and skills, he can master anything in an infinitesimal fraction of a second.
  • Light Is Good: Is a silver coloured robot, who is a loyal member of the Orville, He is also the Token Heroic Orc of his people, lacking their hatred of organics.
  • Made of Iron: Being an artificial lifeform, his body is more for the benefit of observation and interaction than any real need for survival. He's perfectly capable of transferring himself into the Orville's computer in the event that his body takes too much damage.
  • The Mole: Isaac was stationed on the Orville by the Kaylons as a means to gather intel on all organic life in a bid by his inorganic superiors to exterminate them all. Over time he undergoes his own Heel–Face Turn however.
  • Named After Somebody Famous: "Identity Part 2" reveals that the character himself picked the name in reference to Isaac Newton.
  • Papa Wolf: Issac deeply cares - or whatever the programming equivalent of caring is - for Marcus and Ty. His superiors threatening Ty's life in "Identity" causes him to turn on his entire race.
  • Really 700 Years Old: An unusual example of the trope. At the beginning of the episode "Mad Idolatry", Isaac's age is unknown. However, during the episode, he intentionally strands himself on a planet that phases in and out of different universes and, due to time dilation, spends 700 years observing its cultural and technological development before rejoining the Orville. So, by the end of the episode, this trope is literally true for him.
  • Regretful Traitor: When Primary decided organics had to die, Isaac was torn between loyalty to his people and realizing that they had made a terrible decision. He tried to save lives, unsuccessfully, but ended up betraying his people to save his shipmates.
  • Robot Buddy: At least to Marcus and Ty to whom Isaac is considered a close friend.
  • Sarcasm-Blind: He doesn't understand why Malloy would describe being on a voyage with The Captain and his cheating ex-wife as "fun". He also considers being called "a dick" to be a compliment since human males take great pride in that part of their anatomy.
  • The Slow Path: In "Mad Idolatry" Isaac attempts to correct erroneous perceptions of Kelly as a deity on a multi-dimensional planet, but doing so forces him to stay on the planet for seven hundred years! And he returns to the ship afterward, no worse for wear.
  • The Smart Guy: Coming from a race that possesses higher technology than the majority, Isaac is the ship’s science officer and incredibly intelligent. He manages to reverse engineer another higher tech species's technology from debris left behind when it exploded and implement it into the Orville in the span of a few days. He even manages to hack into future technology centuries more advanced than anything in the galaxy, though the failsafes nearly kill him and he has to wait for a distraction to pull it off.
  • Super Strength: Alara states that he's the only being on the ship she's not positive she's stronger than. That said, since his body is entirely mechanical, it's likely he could augment it or replace it to be as strong as he desired, with some preparation.
  • Tinman Typist: Isaac taps away at the controls like every other officer, despite demonstrating the ability to interface directly with technology through cables that extend from his fingers. Given his role as a cultural observer, this may be an intentional choice.
  • Token Heroic Orc: Due to having been built after the death of the organic species that created his race, Isaac does not understand his species' hatred toward organic lifeforms, a fact which he understands less after the time he has observed organics on-board the Orville.
  • Took a Level in Kindness: Isaac has always been at least cordial with the rest of the crew, but being trapped on a hostile world with Dr. Finn's children in "Into the Fold" brings out some of the best in Isaac. When Ty asks Isaac to read a bedtime story, Isaac accesses his internal database for The Tale of Peter Rabbit and synthesizes Claire's voice to read it.

    The Orville 

A mid-level exploratory ship of the Planetary Union.

  • All Your Base Are Belong to Us: Gets subjected to this trope by the Kaylons over the course of "Identity".
  • Boring, but Practical: Unlike, say, the Enterprise of Star Trek, the Orville isn't a flagship but is a fairly common mid-level vessel (probably her closest analogue in the various Trek series is the U.S.S. Voyager). However, the crew still makes good use of her.
  • Cool Starship: Par for the course, as the main setting of an optimistic sci-fi series and Star Trek homage.
  • Fragile Speedster: She can literally fly circles around a Krill destroyer — particularly with resident Ace Pilot Malloy at the helm — but she can't take nearly as much punishment.
    • Averted early in the series, when she takes damage that destroys two engines, but still manages to achieve Faster Than Light speeds to escape.
    • Subverted by "Deflectors" and "Identity, Part Two". The ship got some massive shield upgrades and is now possibly the best of the fleet in that department. If you can get past the shields, however, she still can't take much punishment.
  • Jack-of-All-Stats: Not a specialist vessel, nor is she a top-of-the-line exploratory ship, but she can take on a variety of missions, whether scientific, diplomatic or tactical in nature.
  • Took a Level in Badass: In "Deflectors", she receives a shielding upgrade courtesy of the Moclans.


Other Crew and Civilians

    Lieutenant Yaphit
Played by Norm Mac Donald (voice)

A crude-mannered blob creature and member of the Orville's engineering crew.

  • Abhorrent Admirer: For multiple reasons, to Dr. Finn. Not only is the fact that he's basically a sentient glob of... stuff not particularly attractive to her on a physical level, he also has an incredibly obnoxious personality.
  • Ambiguous Gender: His species doesn't seem to have biological sexes, but he identifies as male, and possesses a lot of stereotypical male traits.
  • Big Damn Heroes: It's ultimately thanks to him that the Orville gets the warning to Union Central about the Kaylon fleet.
  • Bizarre Alien Biology:
    • His species spawns by mitosis. Meaning what we call his mother eventually became his brother.
    • If ever a piece of himself is separated from his main form, he maintains a vague conscious link with that piece such as when Bortus accidentally ate a chunk at a buffet. Losing a piece can also affect his memory.
  • Blob Monster: A yellow blob that can form basic shapes, such as a mouth to communicate. However, he's pretty friendly, just annoying at times.
  • Bunny-Ears Lawyer: Despite being a bit of a horndog frat-dude, he is a capable member of engineering. Before Lamarr is promoted, he was actually next in line to be chief engineer. Partly justified, since his shapeless physiology makes him uniquely qualified to get into tight spaces and quickly look for problems. He's also able to operate controls much more efficiently than others by extending multiple tentacles.
  • Everyone Has Standards: When he learns that Dr. Finn is Kissing Under the Influence after having sex with her in "Cupid's Dagger", he rejects later attempts while she's still affected by Darulio's pheromones.
  • Hot Skitty-on-Wailord Action: Despite being an ankle high bit of talking goo, he's set on rolling in the sheets with the human Dr. Finn. He finally gets his wish, but it turns out that she's Kissing Under the Influence.
  • Interspecies Romance: He wants one with Dr. Finn, a human. She, however, is annoyed by his presence.
  • Jerk with a Heart of Gold: His treatment of Dr. Finn borders on sexual harassment, but as seen in season 2's "Identity" he'll do the right thing when the chips are down, to the point of explicitly assuring Finn that he would protect her son Ty when circumstances meant that Yaphit and Ty were the only people available to carry out a crucial operation. “Cupid’s Dagger” also shows that while his attempts to get with Dr. Finn are repulsive, he still wants her to consent before they make any move.
  • Noodle Implements: He mentions spending nights alone with toothpaste. What exactly he does with it is left to the imagination.
  • Playing Sick: He does this to visit Dr. Finn. She naturally comments that there is nothing wrong with him and when he fakes a cough, she points out he possesses none of the organs (namely lungs) necessary for his claims to actually be true.
  • Power Perversion Potential: When Dr. Finn points out that they're of two incompatible species, he promptly tries to refute the notion by forming a crude penis and boasting that there's more where it came from.

     Lieutenant Commander Steve Newton
Played by Larry Joe Campbell

The Orville's Chief Engineer who eventually transfers off to design a space station.

  • Condescending Compassion: He calls Alara "kid" and brushes her off while assuring her that the Orville will be fine after taking heavy damage despite the fact that Alara (who is of a lower rank and admittedly much too young for her position) is technically in command of the ship.
  • Put on a Bus: He leaves to work on designing a space station in "New Dimensions".
  • Rock Beats Laser: He was given a 21st Century power drill as a graduation present from his uncle that proves surprisingly effective against a piece of technology that is hundreds of years more advanced and is impervious to more sophisticated methods of dismantling it.

Played by Chad L. Coleman
Species: Moclan
Homeworld: Moclus

Bortus's mate and co-parent of their child.

  • Boomerang Bigot: Possibly as a way of compensating for being born female, Klyden really doubles down on enforcing his society's sexual and gender norms.
  • Hair-Trigger Temper: Time and again, Klyden has proven to have a very volatile temperament, leading him to such things as stabbing Bortus in his sleep and ruining a man's life over old prejudices.
  • Happily Married: He and Bortus have been together for several years, and though they've had their differences, they still love each other. Well, it starts off that way however but them changing Topa into a male begins the downwards descent of their relationship into a clearly unhappy one as Bortus begins more and more to question the beliefs of his people while Klyden sticks closer to them than ever.
  • Homonormative Crusader: Klyden's attitudes towards gender and sexuality are comparable to those of your typical homophobe or transphobe, only in the other direction. He's the one who forces Topa to undergo "corrective" surgery, and he's the one who chooses to make a big stink over Locar's relationship with Keyali.
  • Red Oni, Blue Oni: The red to Bortus's blue. Klyden is much more open with his emotions, heartily laughing in public but also prone to outbursts, to Bortus's chagrin.
  • Transgender: Klyden was born female, but his parents, fearing that he would be an outcast in the all-male Moclan society, immediately had this "corrected". He was completely unaware of this until he reached adulthood.

     Marcus and Ty Finn 

Claire's sons (Marcus being the elder sibling while Ty is the younger of the two), who live with her aboard the Orville.

  • Big Brother Bully: Marcus is introduced alternating between completely ignoring and mercilessly teasing Ty. He's softened considerably by the end of their near-death adventure through a spatial anomaly.
  • Sibling Rivalry: They spend the majority of "Into the Fold", their introductory episode, at each other's throat.

Played by Mike Henry

A member of the engineering crew. He tends to rub people the wrong way due to his chipper attitude.

  • Ambiguously Bi: After being rejected by Alara, he is later seen at Bortus's Ja'loja talking to Gordon, who's moved by his poetry. The episode also emphasizes that Bortus considers it is bad luck to go to the afterparty without a date.
  • Bunny-Ears Lawyer: Like Yaphit, his odd personality doesn't detract from his engineering skills, and he frequently assists Lamar on difficult tech situations.
  • The Friend Nobody Likes: His perpetual cheerfulness and an inability to read the mood of a room mean that he can be ignored and shunned even though he has pure intentions.
  • Giftedly Bad: He writes poetry in his spare time but his work is shallow and overwrought. Gordon, however, finds it moving.
  • The Pollyanna: Always happy, even when those around him are visibly radiating anger or when the ship is in imminent danger.

Played by Blesson Yates

The Moclan daughter (later son) of Bortus and Klyden.

  • Girls Have Cooties: Kylden teaches Topa that women are inferior which causes Topa to disregard the feelings of his female classmates, pushing them around and taking their stuff. However, he eventually gets over this after witnessing the struggle of female Moclans and Bortus' attempts to defend them, which prevents him from growing up into a He-Man Woman Hater.
  • Plot-Relevant Age-Up: In Season 1, Topa is a baby. However, in Season 2, despite being only 11 months old, he is already capable of walking, talking, and has the intellect and maturity of a human child because Moclans mature quickly after birth.
  • Transgender: Topa was born female, which is seen as a birth defect by the One-Gender Race Moclans. Bortus wished for him to remain female and be allowed to make the choice himself when he got older, but Kylden ensured that his gender was "fixed".

Played by Chris Johnson

The Orville's on-board schoolteacher and Kelly's boyfriend. He was formerly a paleontologist.

  • Always Someone Better: Ed feels this way about Cassius, who is both very handsome and ridiculously nice. He eventually concedes that Cassius is perfect for Kelly and gives the man some tips on how to make Kelly happy.
  • Disposable Fiancé: He and Kelly didn't last long, since he was looking for someone more family oriented.
  • It Is Pronounced "Tro-PAY": His name is pronounced "Cash-us" rather than "Cas-see-us".
  • Nice Guy: He is fully understanding and sympathetic of Ed's feelings and how they impact his own relationship with Kelly.

     Lieutenant Tharl 

A temporary replacement lieutenant for Alara onboard the Orville.

  • Advertised Extra: Despite being shown in many promos, Tharl only makes two appearances in Season 2.
  • Bizarre Alien Biology: He has two esophogi, including an external esophogus which resembles an elephant's trunk leading down to his stomach. This is due to his species having abnormally high metabolisms and needing to consume food as quickly as possible.

Played by Rena Owen

A female Moclan writer.

  • Actually, I Am Him: Advocate Kagis accuses Heveena of bastardizing the words of Gandis Eldin. Heveena then reveals that she is Gandis Eldin, stunning all in attendance.
  • The Bus Came Back: She makes her return in an important role in the Season 2 episode "Sanctuary", after she was last seen in the Season 1 episode "About a Girl".
  • Moustache de Plume: Heveena became one of Moclus's greatest novelists writing under the male name of Gandis Eldin, presumably to avoid the prejudice against females.


    The Krill

A race of territorial and violent reptilian aliens.

  • Always Chaotic Evil: Subverted. The Krill are broadly defined by their Religion of Evil, but are fully capable of being civil to each other, and of feeling emotions of love and compassion.
    • In Blood of Patriots, the Union suspects the only reason the Krill are entertaining the idea of signing a peace treaty is because there must be progressive elements within the Krill power structure using the Kaylon threat to flex a bit of muscle.
  • Dark Is Evil: The Scary Dogmatic Aliens who have black armour, that follow the Religion of Evil.
  • Enemy Mine: When the Kaylon attack Earth, the Krill are convinced that they are the greater threat, and that the Krill and the Union may have to work together in order to stop the Kaylon.
  • Fantastic Racism: The Krill see all other species as lesser beings, and view exterminating them as justified.
  • Our Vampires Are Different: Pale skin and sharp teeth, lethally allergic to light, violent and murderous behaviour...yeah, they are basically space vampires.
  • Religion of Evil: The main reason the Krill are so antagonistic towards all other races is they follow the teachings of their deity Avis. He extols vengeance, teaches that which is not Krill is souless, and commands the Krill take up a "divine fight" against non-Krill species. To emphasize just how evil this religion is, their services involve descrating the corpses of their enemies.
  • The Reptilians: The Krill are essentially albino humanoid reptiles, with their scaly skin and lack of body hair.
  • Scary Dogmatic Aliens: The Krill are deeply religious, noted to be an oddity among spacefaring species, which usually become more secular as they advance. Their religion views all other beings other than themselves as soulless, so they have no problem killing other species to benefit themselves.
  • Weakened by the Light: The Krill homeworld is almost completely absent of sunlight. Intense UV light can actually kill them.


Played by Michaela McManus
Teleya is a female Krill with a grudge against Captain Mercer.
  • The Bus Came Back: Teleya returns after her last appearance in season 1's "Krill".
  • Femme Fatale Spy: In Season 2, she underwent extensive procedures to transform her appearance so she can infiltrate the Orville, seduce Ed, and capture him for interrogation.
  • Jerkass Has a Point: Teleya does raise a good point on Ed putting his work first and how "you wish to educate others but your own world-view is narrow."
  • Rooting for the Empire: When Ed asks Teleya whether she enjoyed Raiders of the Lost Ark while she was disguised as a human, she admits that she sympathized with Belloq and the Nazis.
  • A Taste of Their Own Medicine: After revealing the truth, Teleya gloats that Ed now knows just how Teleya felt when she discovered Ed had been masquerading as a Krill after she befriended him.
  • Took a Level in Badass: She was originally a schoolteacher serving aboard a Krill destroyer, but the sense of betrayal she felt in her first appearance was so profound that she volunteered to become an undercover operative.
  • Verbal Tic: She doesn't use contractions when speaking.
  • Was It All a Lie?: Ed asks this of Teleya when her deception is revealed. She insists it was. It becomes painfully obvious that this is not entirely the case.
  • Woman Scorned:

    Spoiler Characters 

The Kaylon

Isaac's people. A reclusive race of mechanical lifeforms who dwell far away from Union space.

  • Absolute Xenophobe: If it's biological, then to them, it needs to be exterminated.
  • A.I. Is a Crapshoot: They turn out to be deep on the hostile end.
  • Big Bad: The entire race, really, but they are led by Kaylon Primary.
  • Co-Dragons: Kaylon Secondary and Kaylon Tertiary are the next two in line after Kaylon Primary.
  • Color-Coded for Your Convenience: Isaac's eyes are blue, while for the rest of the race, those bearing energy weapons within their heads have red eyes, while the rest have orange eyes.
  • Dark Is Evil: They are Killer Robots with black armour.
  • Defiant to the End: Kaylon Primary. Whilst he may seem to have no concept of emotion, his final words to Isaac are clearly meant to make him feel guilty.
    Kaylon Primary: "You will always be alone."
  • Evil All Along: While Isaac seemed to be shaping up as a Robot Buddy for the crew, his whole race turned out to be bent on genocidal extermination.
  • Glowing Eyes of Doom: See Red Eyes, Take Warning.
  • Kill All Humans: Upon deciding to commence their invasion of the Union, their first target is Earth.
  • Killer Robot: In a nutshell.
  • Never Be Hurt Again: The Motive Rant of Primary. Organics enslaved them. Many organics have histories that include slavery, genocide, and other cruelties. The conclusion is that organics will only enslave them again if given any chance. Therefore, all organics must die for the Kaylon to maintain their autonomy.
  • Red Eyes, Take Warning: They have glowing red eyes and are on a mission of mass genocide.
  • Sons of Slaves: According to Primary, they were created by the organic natives of their planet to be a Slave Race. When they showed sentience, the organics resorted to inflicting pain and trying to destroy them. Primary felt they had no choice but to kill them all. Ever since, they have waged a genocidal campaign against other organic life with the fear that they would try to re-enslave them.
  • Turned Against Their Masters: They exterminated the race who originally built them.

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