This page lists the characters and species that populate the Star Trek 'verse.
For an index of the actors and actresses who have their own page on this wiki, see here.
Characters
Series:
- Star Trek: The Original Series
- Star Trek: The Animated Series
- Star Trek: The Next Generation
- Star Trek: Deep Space Nine
- Star Trek: Voyager
- Star Trek: Enterprise
- Star Trek: Discovery
- Star Trek: Picard
- Star Trek: Lower Decks
- Star Trek: Prodigy
- Star Trek: Strange New Worlds
- Star Trek: Starfleet Academy (2026)
Films:
- Star Trek: The Motion Picture
- Star Trek II: The Wrath of Khan
- Star Trek III: The Search for Spock
- Star Trek IV: The Voyage Home
- Star Trek V: The Final Frontier
- Star Trek VI: The Undiscovered Country
- Star Trek: Generations
- Star Trek: First Contact
- Star Trek: Insurrection
- Star Trek: Nemesis
- Star Trek: Kelvin Timeline
- Star Trek: Section 31
Other Media:
Species
General Tropes
Starfleet and the United Federation of Planets
In General

The Big Good of the Trek franchise, the United Federation of Planets is the governing body of the galaxy. Founded in 2161 by Humans, Vulcans, Andorians, and Tellarites, their mission is to boldly chart out space, make first contact with new civilizations, and keep the peace between the other major galactic powers through Starfleet, their scientific and exploratory arm.
- Aesop Amnesia: Multiple times during their history, they experiment with using artificial intelligence to try and improve their ships, the earliest being the installation of Dr. Richard Daystrom's M-5 computer on the Enterprise. In each instance, the A.I. has gone rogue and caused numerous casualties, and yet they never stopped trying to implement the idea of automating their ships well into the 24th century.
- Alternate Timeline: There's been dozens of these across the franchise over the years, most of which were wiped from existence after the events of their preceding episodes. Here are some of the many examples:
- The Original Series:
- "The City On The Edge Of Forever": A woman named Edith Keeler is prevented from dying by a drug-induced Dr. McCoy. Her survival leads her to spearhead a peace movement during World War II, delaying United States involvement in the conflict. Without American intervention, Hitler wins by developing the atomic bomb first. Kirk is forced to stop McCoy from saving Edith, restoring history.
- The Next Generation:
- "Tapestry": Thanks to the interventions of Q, Jean-Luc Picard never sustains the heart injury he received from a Nausiccan as a cadet. Consequently, he remains a low-key Lieutenant Junior Grade science officer who never became prominent enough to receive a promotion, and never assumed command of the Enterprise. Picard accepts this injury was a part of him, and Q allows time to be restored.
- "Parallels": There's at least one where Picard was killed during the battle of Wolf 359 and Riker was forced to assume command of the ship, another where the Borg nearly wiped out all of humanity, and other minor ones where certain players showed up for Worf's birthday when they weren't supposed to.
- "All Good Things": In 2395, Picard retired from Starfleet and contract Irumodic Syndrome, and was briefly married to Beverly before she divorced him, while she became Captain of the Pasteur. Riker was promoted to Admiral and refitted the Enterprise-D to continue service as his flagship, while his relationship with Ambassador Worf became strained when Deanna died in an unspecified incident. Geordi got married to Dr. Leah Brahms, while Data became a prominent scholar. The timeline was wiped out when Picard passed his trial for the Q, though some events did play out in canon thanks to the events of Picard.
- Deep Space Nine:
- "Past Tense": Sisko and Bashir accidentally cause the death of Gabriel Bell—the man who starts the riots that force Earth to eliminate the horrendous sanctuary districts and set Earth on the path towards becoming the Federation. Since the Bell Riots never happened, the Federation is never formed, thus two are forced to fix things by starting the riots themselves, with Sisko posing as Bell.
- "The Visitor": Captain Sisko dies in an accident on the Defiant, but is discovered to have been forced out of phase in time. Jake Sisko spends years of his life trying to save his father, and changes history when he commits suicide, allowing the elder Sisko to be sent back to that moment and preventing the accident. As a result, the Klingons never take over the station, the Defiant is destroyed instead of being spared, and Jadiza does not live a long and fulfilling life.
- Voyager:
- "Non Sequitur": Harry Kim was denied a posting to Voyager and never ended up getting stranded with them in the Delta Quadrant, which likewise saw Tom Paris stay behind because he was prematurely arrested by Odo on Deep Space Nine for causing trouble. Harry returns to the proper timeline, negating this one.
- "Year of Hell": Voyager comes under constant attacks by the Krenim as one of their leaders is trying to restore time perfectly and bring back his wife. For a whole year, the crew suffers numerous casualties, the ship is damaged beyond repair, Tuvok is blinded, and the attacks never cease. Things are brought to an end when Janeway rams the ship into the Krenim's time ship, resetting things for both sides.
- "Fury": An older Kes returns to Voyager and kills B'elanna to go back in time and sell the ship out to the Vidians. When that plot is foiled and the elder Kes is killed, Janeway and Tuvok are able to prevent it from happening again by convincing their old comrade to stand down, sparring B'elanna.
- Star Trek (2009): The mad Romulan miner named Nero is sent back to the year 2233 and destroys the Kelvin, resulting in the death of George Kirk. This causes the Federation to develop a more militaristic stance against their enemies, and leaves the younger Kirk without a father. Vulcan is subsequently destroyed and the Enterprise is heavily redesigned to a larger, more futuristic standard. Time does make sure the original senior staff are still brought together, but unlike with other alternate times, this one sticks around.
- The Original Series:
- Arch-Enemy: Starfleet has had numerous foes over the years, all of which had made things rather personal. During the early years leading up to the Federation's formation, it was the Romulans. Between the Battle of the Binary Stars and the Khitomer Accords, it was the Klingons. During the skirmishes along the Federation borders, it was the Cardassians. For nearly 40 years since first contact with them until their demise, it was the Borg. During the Dominion War, it was the Founders. From the signing of the Temporal Accords until the death of Vosk, it was the Na'kuhl and their allies. After the Burn, it was the Emerald Chain, then later the Breen. Hilariously enough, the Federation outlasted nearly all of them.
- Awakening the Sleeping Giant: They are a peaceful group, but make no mistake: if they are threatened in any serious capacity, they will pull out all the stops to defend themselves. The Dominion made the fatal mistake in assuming the Federation would just roll over and let them conquer them, unaware that they have some very dastardly tricks up their sleeve to win.
- Big Good: For the most part, they're supposed to serve as this. Each Captain who has the organization's morals questioned will defend them vigorously, but will have to acknowledge from time-to-time that they aren't perfect.
- Depending on the Writer: Each of the series has bounced around with the idea of exactly who the Federation and Starfleet are. Are they well-meaning, but ultimately a bit naive and misguided in a distrustful galaxy? Are they militaristic and more willing to impose their views on lesser species despite swearing never to do so? Are they Well Intentioned Extremists who have to take a more forceful approach to keeping the peace in order to save themselves from annihilation? Are they isolationists who would retreat to lick their wounds and let the rest of the galaxy fall apart, even if they have pragmatic reasons for doing so? Every series has depicted them as all that and more, but all can agree that they're supposed to be doing the right thing.
- Determinator: Nothing is going to stop them from exploring the universe—not war, not plague, not disaster, not anything. And if someone threatens to do so, they will not hesitate to unleash everything they've got and ensure their survival.
- The Dreaded: While they are the good guys, there are a few major players in Starfleet that have earned an infamous reputation in a few divisions.
- Captain James T. Kirk is practically hated at the Department of Temporal Intelligence for having a record 17 violations of altering time. When two of their agents have to speak to Sisko about his visit to Deep Space K-7 in the 2260s, they shudder when Kirk gets brought up.
- The Cerritos is famed amongst her fellow California class ships, but the more professional crews are not too fond of their dysfunctional antics. The Doctor makes mention of it once (implying he's been there before) with a sense of dread.
- Foil: Practically every other major galactic power is this in contrast to the Federation. The Klingons are a Proud Warrior Race Guy society with a wavering sense of honor, and have gone from enemies to allies of the Federation more times than one can care to admit. The Romulans are a State Sec government that stacks secrets on top of secrets, and are extremely distrustful of anyone until their homeworld is annihilated and they eventually rejoin their Vulcan brethren. The Cardassians are a military dictatorship that has tried to enforce their will on lesser planets, and has fallen victim to the rot and decay of ambitious tyrants. The Borg are a race of cybernetic organisms that seek only the total assimilation of all life to perfect themselves, caring nothing for individuality and free will. And the Dominion are an empire built on the backs of those they conquered, seeking to push order onto a "chaotic" universe by any means necessary. And against all that, the Federation are explorers, scientists, and diplomats that live under a flawed, but ideal democracy, offering the choice of peace and the means to explore the stars to those that seek them.
- Hero of Another Story: There are three major periods that haven't been explored in many Trek films or shows outside of soft-canon materials, those being the founding of the Federation in 2161 to the Discovery era in 2256, the disastrous launch of the Enterprise-B in 2293 to the first launch of the Enterprise-D in 2363 (otherwise known as "The Lost Era"), and the launch of the Enterprise-G in 2402 towards the eventual rebuilding of the Federation in the post-Burn era of 3191.
- Hitler's Time Travel Exemption Act: Time travel is a risky business in their line of work, and they've established an entire department (Starfleet Department of Temporal Intelligence) to keep people from mucking up time by trying something like this or worse. They eventually outlaw altering time altogether in the 26th century, which causes several galactic powers to go into a Temporal Cold War so they can wipe out Starfleet before it's even formed and screw around with time however they like. Starfleet wins and bans all forms of time travel by the 31st century.
- Insane Admiral: The Trope Codifier, it's almost crazy to think that a good chunk of the Admiralty in Starfleet (with the thankful exceptions of Paris, Ross, Janeway, Kirk, Picard, and Vance) jumped off the slippery slope and tried to achieve greater ambitions through illegal scheming and coverups. One of those admirals, Buenamigo, claims it's because once you hit Admiral, your career stalls and you have to try and do something big to get noticed again.
- Legacy Vessel Naming: The Trope Codifier. When a ship has become famous enough to stand above its peers, Starfleet continues to honor their legacy by having new ships take up the name. So far, only the Enterprise, the Voyager, the Excalibur, and (briefly) the Titan have had their names and registries carried over, while the Defiant, Excelsior, and many others have had new ships bearing their names.
- Made of Iron: Despite what their enemies may boast about the group facing annihilation, the Federation has managed to last over a millennium, from 2161 to at least the 33rd century. The Romulan Wars, the Klingon-Federation War, the Borg, the Dominion War, and the Burn all did their fair share of damage, but it ultimately did little to stop them from functioning as an entity, even if some of those attacks caused more long-term harm than others.
- Warts and All: None of Starfleet's Captains like the idea of having to deal with the Federation's more...unsavory practices (looking at you Section 31), but they would lay down their lives defending its ideals.
The Starship Enterprise
The flagship of Starfleet and the UFP, she has a long and distinguished history, with multiple ships serving under multiple Captains since the franchises' inception. Much like those who serve on her, she's considered a character in her own right.
- The Alleged Car: The Enterprise-A seemed to develop this reputation. After its initial shakedown, it spent months being repaired at Earth Spacedock. It would continue to develop issues throughout its lifespan, which the crew played into in order to investigate the events around the assassination of Chancellor Gorkon and the framing of Captain Kirk and Doctor McCoy in 2293. This led to the ship being decommissioned following the First Battle of Khitomer, after a relatively brief career of eight years.
Scotty: "Let's see what she's got", said the Captain. And then we found out, didn't we?
Uhura: I know you'll whip her into shape, Scotty, you always do. - Cool Starship: By virtue of being a lead character, any starship named Enterprise automatically qualifies as cool. She's outfitted with the latest technology to let her go faster, defend herself better, and is commanded by an elite crew of only the finest Starfleet officers.
- Elites Are More Glamorous: In each Trek series an Enterprise appears in, she's considered to be the top posting, and only the best are allowed to serve on, much less command, her legacy.
- Famed in Story: Because of the exploits of each ship that bore the name, Enterprise is a widely known hero far and wide—not just to Starfleet officers, but to other alien races such as the Klingon Empire.
- Holding Back the Phlebotinum: Even though the ship is considerably powerful, Starfleet has a bad habit of keeping her in reserve in case the worst happens in war. The original 1701 was benched from the Klingon War in case they lost, and the E was stuffed onto diplomatic cleanup during the Dominion War.
- Killed Off for Real: The original 1701, her Kelvin Timeline iteration, and the C are on the list of ships that perished in the line of duty. Well, technically the original 1701 is still "alive" by the virtue of having her Mirror Universe version being found, but it's not quite the same ship.
- Legacy Vessel Naming: The history of the Enterprise is a long and distinguished one, dating all the way back to the ancient sailing days.
- H.M.S. Enterprize: British Royal Navy, 17th century sailing ship. Exact details regarding which ship this was is unknown.
- U.S.S. Enterprise (1775): American Continental Army, originally a British sloop named George, she was captured by the Continental Army and retrofitted into a frigate to fight in the American Revolutionary War. Captain Archer notably has a drawing of this ship in his ready room on the NX-01.
- U.S.S. Enterprise (1799): United States Navy, an 18th century schooner that took part in the First Barbary War. Was later retrofitted into a brig and notably appeared in a holodeck program in Star Trek: Generations.
- U.S.S. Enterprise CV-6: United States Navy, 1930s aircraft carrier. Served with distinction and honors during World War II, engaging in multiple combative fields and being known as "The Grey Ghost". Scrapped between 1958 and 1960.
- U.S.S. Enterprise CVN-65: United States Navy, Enterprise Class 1960s aircraft carrier. The longest aircraft carrier ever built. Was notably visited by some of the TOS era crew members when they travelled back in time to 1986 in Star Trek IV: The Voyage Home. Decommissioned in 2017.
- U.S.S. Enterprise OV-101: NASA, Space Shuttle Prototype from the 1970s. Used in preliminary trial runs. Named in real life for the fictional Enterprise. Retired in 2011, preserved at the Intrepid museum in New York City, New York.
- U.S.S. Enterprise XVC-30: Earth spacecraft. Based on Matt Jefferies' concept art for the original Enterprise. Fate undisclosed.
- Enterprise NX-01: Starfleet NX class from 2151. Designed by Henry Archer and Zeferam Cochrane. Commanded by Captain Jonathan Archer. First Warp 5 capable vessel ever constructed. First human ship to make first contact with the Klingons. Instrumental towards the foundation of the Federation. Refitted as early as 2151. Retired 2161 to honor the forming of the UFP, preserved at the Fleet Museum.
- U.S.S. Enterprise NCC-1701: Starfleet and Federation Constitution-I class from 2245. Commanded by Robert April, Christopher Pike, James T. Kirk, Willard Deckard, and Spock. Made numerous first contacts and scientific discoveries. Longest served Enterprise in Starfleet history for 40 years. Underwent numerous refits, her last being in 2273 to Constitution-II specifications. Consigned as a training vessel in 2280s. Destroyed in 2285 over the Genesis Planet. Mirror Universe counterpart discovered in 3191 by U.S.S. Discovery and retrieved for study at Federation Headquarters. Kelvin Timeline version constructed in 2258 and launched under Pike's counterpart's command before Kirk took over. Damaged in 2260 and refitted following encounter with Khan. Launched on 5 year mission, which only lasted for 2 years before she was destroyed by Krall over Altamid.
- U.S.S. Enterprise NCC-1701-A: Starfleet and Federation Constitution-II class from 2286. Commanded by James T. Kirk. First legacy vessel established in franchise canon. Claimed to be the former Yorktown vessel. Instrumental in the establishment of the Khitomer Accords and eventual peace with the Klingon Empire. Retired in 2293 and preserved at the Fleet Museum. Kelvin Timeline iteration constructed in 2263 to replace her predecessor.
- U.S.S. Enterprise NCC-1701-B: Starfleet and Federation Excelsior refit class from 2293. Commanded by John Harriman. Noted for its infamous first flight, where a rescue mission to save El-Aurian refugees from an energy ribbon resulted in the apparent death of James T. Kirk. Final disposition in canon is unknown.
- U.S.S. Enterprise NCC-1701-C: Starfleet and Federation Ambassador class from early 24th century. Commanded by Rachel Garrett. Instrumental in helping to forge a permanent peace with the Klingon Empire when the crew defended the outpost of Narendra III from Romulan invaders. Destroyed in 2344 at the same attack, but was temporarily displaced from time until sent back to meet its fate.
- U.S.S. Enterprise NCC-1701-D: Starfleet and Federation Galaxy class from 2363. Designed by Dr. Leah Brahms. Commanded by Jean-Luc Picard. Established first contact with the Q Continuum and proved instrumental in numerous discoveries and other first contacts. Assisted in rescuing Starfleet from the Borg after the disastrous battle at Wolf 359. Stardrive section destroyed in 2371 over Veridian III by the Duras Sisters; the saucer section crashed landed with minimal casualties. The saucer was later retrieved and moved for storage in the Fleet Museum. Underwent a personal restoration by Commodore Geordi LaForge, the ship's former Chief Engineer, over a 20 year period. Was temporarily removed from the museum to stop the last attack of the Borg. Restoration was completed the next year and the ship was retired.
- U.S.S. Enterprise NCC-1701-E: Starfleet and Federation Sovereign class from 2372. Commanded by Jean-Luc Picard, Worf, and one currently unknown Captain. Assisted Starfleet in preventing the Borg from preventing first contact with the Vulcans. Was consigned to ambassadorial duties during the Dominion War. Sustained heavy damage against the Scimitar during Shinzon's plot and was taken back to Earth for repairs. Placed under Worf's command after Picard's promotion to the Admiralty. Heavily damaged in the Battle of Gamma Serpentis. Worf rescinds command in 2385 after an incident at Krillar Prime. Vessel is removed from service in 2386 after a final, classified mission. Disposition unknown other than "It's Worf's fault".
- U.S.S. Enterprise NCC-1701-F: Starfleet and Federation Odyssey class from 2386. Commanded by numerous Captains, the most recent being Va'Kel Shon of Andoria. Served for 15 years until her systems were critically compromised during the rescue operation of Raillian refugees on Fenton IV in what came to be known as "The Monfette Gambit". Decommissioned at the Frontier Day Festivities in 2401 following a final flight. Disposition listed as "retired".
- U.S.S. Enterprise NCC-1701-G: Starfleet and Federation Constitution-III or Neo-Constitution Class from 2396. Formerly the U.S.S. Titan NCC-80102-A. Commanded by Liam Shaw and Seven of Nine. Constructed using parts removed from her damaged Luna class predecessor under the supervision of that ship's Captain, William Riker. Refitted in 2401. Played a key role in liberating Starfleet from the Borg threat once and for all. Rechristened to Enterprise-G in 2402 in honor of the Enterprise-D crew's efforts. Currently active.
- U.S.S. Enterprise NCC-1701-J: Starfleet and Federation Universe class from a possible future in the 26th century. The largest Enterprise seen to date. She was crucial towards ending the Temporal Cold War at the Battle of Procyon V. Status unknown.
- Made of Iron: If there was one thing the Enterprise was good at, it was taking punishment. Each ship has been battered, beaten, shot, hit with torpedoes, and they could still keep going. The NX-01 was probably the best at it, since her hull was made of the extremely durable, yet highly unstable horonium alloy in lieu of not having any shields.
- Retired Badass: The NX-01, the A, the D and the Mirror 1701 have all been preserved by Starfleet, allowing them to rest out their days in honor of their heroics. The F is listed as retired, but her final disposition isn't clear as of yet.
- Uncertain Doom: The E's final fate could be this, as there's no mention of what happened to her after her final, "classified" mission, though it's clear that everyone holds Worf responsible.
- What Happened to the Mouse?: Of the ships named Enterprise, the fate of the H.M.S. Enterprize isn't known on account of the fact that exactly which British ship it is isn't clear. As for Starfleet Vessels, the B and the E haven't had their fates disclosed in canon—the best than can be said about the latter is that she's at least unusable, and her old crew blames Worf for it, despite his insistence otherwise. The J's fate is likewise fuzzy, though that's due to her existing in a possible future timeline that may no longer exist.
- The Worf Effect: To demonstrate how powerful an enemy the ship was facing, it was quite common for her to be beaten senseless, or outright destroyed. The original and especially the D (who had the Trope Namer serving on her) both got hit with this more often than not.
The Starship Voyager
Starfleet's second biggest legacy next to the Enterprise herself, the ship charted out its own name when an Intrepid class from the 24th century was pulled 70,000 light years into the Delta Quadrant by a mysterious alien force. Stranded out on its own and with no way to get home quickly, her crew trudged on and eventually made it back after 7 years. From there, the ship's former Captain, Kathryn Janeway, saw fit that history would never forget the name Voyager.
- Aborted Arc: The Voyager-B was supposed to have a larger role in Picard, with Harry Kim as her Captain, before she got cut for time and budget.
- Cool Starship: Voyager has more than a nice ring to it: she's a top-of-the-line science vessel built to chart the unknown, as all ships named after her have always done.
- Famed in Story: The original Voyager's journey into the Delta Quadrant has become the stuff of legend throughout Starfleet. When Mariner is given the opportunity to prepare the original for her final voyage to Earth, she's downright squeeing, and Boimler managed to get all of her old senior staff to autograph collectable plates of them—even the elusive Seven of Nine.
- Hero of Another Story: In between the B and the J lays the history of the C through I, none of which have been told as of yet. And of course, there's the B's own history.
- Legacy Vessel Naming: Though not nearly as old as her contemporary, Voyager has charted out quite a history of its own.
- U.S.S. Voyager NCC-74656: Intrepid class from 2371. Commanded by Kathryn Janeway. Launched from Deep Space Nine in pursuit of Maquis operatives, only to be pulled into the Delta Quadrant. Spent 7 years stranded there gathering information and technologies that became crucial toward's Starfleet's own development. Dealt a crippling blow to the Borg before returning to Federation Space. Spent three years in storage being studied and archived extensively before being moved to Earth as a temporary exhibit at the Presidio in San Fransisco. Currently on display at the Fleet museum.
- U.S.S. Voyager NCC-74656-A: Lamarr class from 2385. Commanded by Kathryn Janeway and Chakotay. Heavily refitted with Delta Quadrant technology in effort to rescue Chakotay, who was stranded in a possible future. Proved instrumental in helping to liberate Solum from Asencia and repair damage wrought to the timeline. Current status is active as of 2385, but unknown by 2401.
- U.S.S. Voyager NCC-74656-B: Pathfinder class from 2401. Commanding officer unknownnote . Intended to launch at the Frontier Day festivities. Current status is active.
- U.S.S. Voyager NCC-74656-D: Unknown class from between the 24th and 31st centuries. Registry number used in made up attempt by Ensign Beckett Mariner to get access to a party due to California class personnel being banned, even though the ship didn't exist yet.
- U.S.S. Voyager NCC-74656-J: 31st century Intrepid class from 3190. Commanding officer unknown. Serving as the Federation's flagship by the Post-Burn era, in addition to being a testbed for the latest propulsion technologies. Installed with the Pathway Drive in 3191. Active as of 3191.
- Retired Badass: The original Voyager is currently an exhibit at the Fleet Museum, on a well-earned rest for all the trials she suffered to get her crew back home.
- Uncertain Doom: The A's fate is up in the air between Prodigy Season 2 and Picard Season 3 due to the existence of the B by that time.
