This article lists characters of Star Trek in their various canonical incarnations. This includes fictional major characters and fictional minor characters created for Star Trek, fictional characters not originally created for Star Trek, and real-life persons appearing in a fictional manner, such as holodeck re-creations.
Characters from all series, listed alphabetically
Key
A Character Actor Appearances Description Ben Gage Friday's Child (TOS) Son of the late Teer Akaar and his widow Eleen on the planet Capella IV. Born 2267 shortly after his father was killed in a Klingon-induced power struggle, he was named after James T. Kirk and Leonard McCoy, who helped to resolve the local conflict. Leonard James Akaar inherited the title of "teer," or chief, of the Ten Tribes of Capella IV. His mother served as regent until the boy came of age to rule. In the novels, Akaar (who was eventually forced to flee Capella with his mother due to another coup) grows up and joins Starfleet; we first see him serving as chief of security on the USS Excelsior under Captain Hikaru Sulu. Later, in the Star Trek: Deep Space Nine relaunch novels, Akaar is a veteran admiral in the fleet. Holly Hunter Kids These Days (SFA) Part human, part Lanthanite and a former Starfleet captain who resigns after being forced to follow the law over her own conscience and separate a mother from her young child in 3180. Fifteen years later, Ake is approached to assume the role of Chancellor for the recommissioned Starfleet Academy. Richard Libertini Accession (DS9) Bajoran poet best known for The Call of the Prophets. Traveling in a Bajoran lightship, Akorem was the first to find the Celestial Temple (the wormhole to the Gamma Quadrant); when he emerged about 200 years later, Benjamin Sisko gave up his title of Emissary so that Akorem could take it, a decision Sisko regretted when Akorem advocated a return to the D'Jarras (the Bajoran caste system). Sisko and Akorem went to the wormhole together, and the Prophets decided to send Akorem back to his time and reinstate Sisko as their Emissary. None (Only discussed, never seen.) The First Duty (TNG) (mentioned) Starfleet Academy cadet and friend of Wesley Crusher, a fellow team member with Crusher in Nova Squadron under Nicholas Locarno; Albert died during his squadron's rehearsal of a banned flight maneuver intended to impress the academy's commencement ceremony attendees. Chip Lucia Man of the People (Star Trek: The Next Generation) Lumerian ambassador who uses women as "receptacles" for his negative emotions which causes the "receptacles" to die of old age. Deanna Troi almost dies but it is Alkur who receives back the negativity and dies of old age. Bill Blair Tribunal (DS9) (recurring thereafter) Various aliens and Starfleet officers played by background actor Bill Blair in 45 episodes of DS9, 2 episodes of VOY and 4 of ENT. Gail Strickland Paradise (DS9) Leader of a colony that settled on planet Orellius in 2360, responsible for several deaths because she rejected any form of technologically based medicine. Off-screen voiceover by an unknown performer Message in a Bottle (VOY) Romulan subcommander of the IRW T'Met. He leads two other Warbirds to take possession of the USS Prometheus NX-59650, an experimental prototype Federation starship, from its Romulan hijacker, Commander Rekar. However, Almak's fleet opens fire on the Prometheus when he learns that Rekar is no longer in control of it.Discrepancy Note: The voice-over actor clearly identifies the character as "Almak", but the closed-captioning reads "Almar" and The Star Trek Encyclopedia lists him as "Almar". Symba Smith Profit and Lace (DS9) A Dabo girl who worked at Quark's in 2374. None The Xindi (ENT)(recurring thereafter) A female aquatic Xindi. She is a member of the Ibix dynasty, and the head aquatic on the Xindi Council. Salome Jens The Chase (TNG) A holographic projection of a member of the race from which Humans, Klingons, Romulans, Cardassians and numerous other Alpha Quadrant species descend Brett Anderson Terry Serpico The Vulcan Hello,Battle at the Binary Stars (DSC) Admiral in Starfleet in command of the fleet during the battle at the binary stars against the Klingons. After ostensibly agreeing on a truce the Klingons ram the Admiral's vessel Europa with a cloaked ship forcing him to initiate the self-destruct sequence destroying the Europa along with the Klingon vessel. Paddi Edwards The Dauphin (TNG) A shapeshifting allasomorph native to the third moon of Daled IV who served as guardian of the planet's leader, Salia, while she was being transported on the Enterprise-D. To the Enterprise crew, Anya assumed the form of an older human woman; her intrinsic appearance is unknown. Michael Forest Who Mourns for Adonais? (TOS) Extraterrestrial alien believed to be a god by ancient Greeks, who in the 23rd century captures the Enterprise and demands its crew build a society on planet Pollux IV to worship him. Robert T. April James Doohan (voice) The Counter-Clock Incident (TAS) First captain of the USS Enterprise (NCC-1701) during its initial five-year mission. April, later a commodore, was succeeded by Christopher Pike. April appears in a single TAS episode, and in the novels Final Frontier and Best Destiny by Diane Carey as the captain of the Enterprise Nichelle Nichols (voice) The Counter-Clock Incident (TAS) Wife of Starfleet officer Robert T. April and chief medical officer of the USS Enterprise (NCC-1701) when her husband was captain. Jonathan Archer Scott Bakula Broken Bow (recurring thereafter) (ENT) Captain of the USS Enterprise (NX-01). Marta DuBois Devil's Due (TNG) According to the theology of Ventax II, Ardra was a mythic being from the distant past who promised the population a thousand years of prosperity, followed by enslavement upon her return at the end of that epoch. In 2367, a female con artist was unmasked by Enterprise-D personnel after deceiving the Ventaxians into believing she was the deity by using technology to mimic various phenomena believed to herald Ardra's return. James Doohan (voice) Beyond the Farthest Star (TAS) (recurring thereafter) Lieutenant Arex, voiced by James Doohan, was a recurring character on Star Trek: The Animated Series which ran on NBC from 1973 to 1974.Joanna Peart, The Journal (July 22, 2004). "Beam me back Scotty". p. 46. The series' writers and artists were able to create his unique alien look because the series was animated; creating such a character with a live-action actor in make-up would not have been feasible.St. Joseph News-Press, Spotlight (Feb. 2, 1974). "New Role on Show". p. 12. The character was later used in Star Trek novels and comics.
Arex was a Starfleet officer assigned to the USS Enterprise as navigator. Arex was a member of a tripedal speciesAlison L. Smith, Chicago Sun-Times (November 30, 1986 ). "The Vulcan mind probe". p. 6. (given as "Edosians" in Alan Dean Foster's novelizations of the animated episodes, but as "Triexians" in Peter David's New Frontier series) and had three arms and legs. Arex also sometimes took the conn, but he rarely left the ship on landing party missions due to his bizarre appearance. Biff Yeager Where No One Has Gone Before (TNG)Datalore (TNG) A chief engineer aboard the Enterprise-D who supervised the engine modifications made by two specialists, also assembled the android Lore with the help of Dr. Beverly Crusher. Mart McChesney; Ron Gans (voice) Skin of Evil (TNG)The Spy Humongous (LOW) Sentient viscous black liquid (the by-product of a procedure in which a race of "titans" shed all their evil and negative attributes) that killed Tasha Yar. Dan Shor The Price (TNG),False Profits (VOY) Member of a Ferengi delegation sent to negotiate for the rights to the Barzan wormhole in 2366 who becomes stranded in the Delta Quadrant until his encounter with the starship Voyager. Ray Wise Hope and Fear (VOY) Alien with exceptional linguistic capability who poses as a friend to Voyager helping them recover a badly garbled transmission from the Alpha Quadrant but uses the opportunity to set up a trap for the entire crew to be assimilated by the Borg Rafael BozaThe Forge (ENT) Starfleet corporal at the United Earth Embassy on Vulcan in 2154. After its bombing, Ambassador Soval performed a mind meld with Askwith and learned that Chief Investigator Stel was responsible for bringing the explosive into the embassy. Gabriel Damon The Bonding (TNG) Human civilian, orphaned when his mother, Marla Aster, an officer aboard the USS Enterprise-D was killed in 2366 on an away mission. Susan Powell The Bonding (TNG) Archaeologist aboard the Enterprise-D, and mother of Jeremy Aster. Killed on an away mission in 2366. Ian WolfeAll Our Yesterdays (TOS) Librarian and keeper of the Atavachron time-portal device on the planet Sarpeidon. Dennis MadaloneVisionary (DS9) Klingon officer and one of three members of a covert strike force conducting surveillance of the Romulan delegation to Starbase Deep Space 9 in 2371. He is the last of his party to be thrown into the brig. Mark Deakins Unimatrix Zero (VOY) Borg drone aboard a vessel in the Beta Quadrant who, while regenerating, due to a recessive gene is able to enter the virtual world of Unimatrix Zero as a free individual and meet with others, including Annika Hansen, like himself. He entertained an intimate relationship with Seven of Nine within Unimatrix Zero until her rescue from the Borg hive by the USS Voyager. Since the Borg Queen is aware of Unimatrix Zero trying to find a way to destroy it for good, Axum contacts Seven of Nine to help them. Axum gets a chance to rekindle their love until Unimatrix Zero is shut down. Ayala Tarik Ergin Caretaker, Part I (VOY) (recurring thereafter) Security officer aboard the USS Voyager and former member of the Maquis Rosanna DeSoto TUC Daughter of Klingon Chancellor Gorkon, Azetbur ascended to the chancellorship herself when her father was assassinated in 2293. She is essential for the signing of the Khitomer Accords, the first peace treaty between the Federation and the Klingon Empire.
B Character Actor Appearances Description Brent Spiner NEM, Remembrance and The Bounty (PIC) B-4 was first seen in the movie Star Trek: Nemesis. He is a Soong-type android (named after Dr. Noonien Soong, their creator). B-4 is one of three androids built by Dr. Soong before Lore and Data. Praetor Shinzon of Remus was able to obtain the disassembled B-4 and placed some special programming into him, so he could infiltrate the USS Enterprise-E to gain tactical information of the Federation from the ship.