Who Plays the Companions of 'Doctor Who?

A long train of assistants have helped the Doctor fight evil

Doctor Who wouldn't work as well as it does if it weren't for the companions—those ordinary folks who travel with the Doctor and share in his adventures. Practically, with the companions present for audience identification, the Doctor is free to be more peculiar and alien; and increasingly the companions have been serving a vital role in helping the Doctor understand himself as he adjusts to becoming the last of the Time Lords.

(* = voice only.)

44
Arthur Darvill as Rory Williams

Amy's boyfriend and, it later turns out, fiancé, first encountered in "The Eleventh Hour" and later brought on board the TARDIS by the Doctor after he becomes concerned that Amy is becoming too attached to him. A nurse hoping to become a doctor, Rory initially seems timid but perseveres in trying to uncover why coma patients are speaking, and later displays dogged determination. Eleventh Doctor. Stories as a companion include: "The Vampires of Venice", "Amy's Choice", "The Hungry Earth", "Cold Blood".

43
Karen Gillan as Amy Pond

BBC

Amelia first encounters the Eleventh Doctor as a serious, self-possessed, and remarkably insightful little girl who's troubled by a surreal crack in her bedroom wall. The Doctor later returns, 12 years after he'd promised to, to find Amy, a serious, self-possessed, and remarkably insightful young woman whose spent the last dozen years obsessing on her childhood visitor. Eleventh Doctor. Stories as a companion include: Seasons 5 and 6 (ongoing).

42
Bernard Cribbins as Wilfred Mott

BBC

First encountered as a crusty newsagent in an abandoned London during "Voyage of the Damned," Wilf turns out to be Donna's stargazing grandfather and helps the Doctor conceal his and Donna's activities from Donna's mother. Troubled by visions of a strange woman and nightmares about the Master, Wilf seeks out the Doctor, who's unnerved that Wilf could do so so easily. The Tenth Doctor accepts death to save Wilf from a lethal dose of nuclear energy, even though he is not ready to die. Tenth Doctor. Stories as a companion include: "The End of Time".

41
Lindsay Duncan as Adelaide Brooke

BBC

Stern, efficient commander of Bowie Station, the first human colony on Mars. Gradually realizing the Doctor has future knowledge of the base's destruction, she at first demand his help, then accepts his refusal. When the Doctor violates what he believes in to save her after all, she is appalled by his arrogance. She puts the timeline right by killing herself, causing the Doctor to repent of his hubris. Tenth Doctor. Stories as a companion include: "The Waters of Mars".

40
Michelle Ryan as Lady Christina de Souza

BBC

A noblewoman and master thief who is aboard a city bus that drives through a wormhole onto a deserted desert world. Christina immediately takes charge of the situation, pairing herself with the Doctor to resolve the crisis, and asks eagerly to join the Doctor after all's well. He declines, refusing to endanger or lose any more friends. Tenth Doctor. Stories as a companion include: "Planet of the Dead".

39
David Morrissey as Jackson Lake

BBC

A Victorian man who, during an attack by Cybermen, becomes imprinted with the Cybermen's infostamps containing all their knowledge of the Doctor. The horror of seeing his wife killed and his young son taken away causes him to enter a fugue state in which he thinks he is the Doctor, severely confusing the Tenth Doctor when they meet and initially causing him to think that Lake is an amnesiac future incarnation of himself.  Tenth Doctor. Stories as a companion include: "The Next Doctor".

38
Kylie Minogue as Astrid Peth

BBC

Astrid is a starry-eyed waitress aboard the spaceship Titanic. As the Doctor works to reveal a plot to destroy the ship, she becomes attached to him, and sacrifices herself to save the Doctor's life. Tenth Doctor. Stories as a companion include: "Voyage of the Damned".

37
Freema Agyeman as Martha Jones

BBC

A medical student whose the Doctor enlists when an entire London hospital is stolen and taken to the Moon. Devoted to the Doctor but hurt by his fixation on the now-departed Rose, Martha toughens up during their time together and leaves the TARDIS of her own accord. Newly self-empowered, she joins UNIT's medical team, and also works temporarily with Torchwood. Tenth Doctor. Stories as a companion include: "Smith and Jones", "The Shakespeare Code", "Gridlock", "Daleks in Manhattan", "Evolution of the Daleks", "The Lazarus Experiment", "42", "Human Nature", "The Family of Blood", "Blink", "Utopia", "The Sound of Drums", "Last of the Time Lords", "The Stolen Earth", "Journey's End".

36
Catherine Tate as Donna Noble

BBC

A career temp with a cavalier, gossipy attitude, Donna immediately perceives that the Doctor needs someone with him to stop him from going to far. Donna later seeks him out successfully and joins him. Touching the Doctor's severed hand during an abortive regeneration causes her to take on a Time Lord mind, which her human brain cannot support; to survive she must regress to what she was before she met him. Tenth Doctor. Stories as a companion include: "The Runaway Bride", "Partners in Crime", "The Fires of Pompeii", "Planet of the Ood", "The Sontaran Stratagem", "The Poison Sky", "The Doctor's Daughter", "The Unicorn and the Wasp", "Silence in the Library", "Forest of the Dead", "Midnight", "Turn Left", "The Stolen Earth", "Journey's End".

35
Noel Clarke as Mickey Smith

BBC

Rose's boyfriend in "Rose," he's initially unable to cope with the same bizarre events Rose finds invigorating, and in subsequent encounters sees the Doctor as a threat to his relationship with Rose. Nonetheless, he serves as their contact and agent on Earth, and after a few adventures of his own stays behind on an alternate Earth to fight the Cybermen, later returning to our Earth when they do. Eventually becomes a freelance mercenary against alien invaders. Ninth, Tenth Doctors. Stories as a companion include: "School Reunion", "The Girl in the Fireplace", "Rise of the Cybermen", "The Age of Steel", "Army of Ghosts", "Doomsday", "Journey's End".

34
John Barrowman as Captain Jack Harkness

BBC

A con man from the 51st century who finds himself helping the Doctor, becoming brave and dependable almost despite himself. Killed by the Daleks, Jack is suddenly brought back to life by Rose, who temporarily possesses control over space and time, and eventually realizes that he is immortal -- Rose made him a "fact" in the universe. Becomes head of Torchwood 3 in Cardiff, tasked with protecting Earth from alien threats by using alien technology. Ninth, Tenth Doctors. Stories as a companion include: "The Empty Child", "The Doctor Dances", "Boom Town", "Bad Wolf", "The Parting of the Ways", "Utopia", "The Sound of Drums", "Last of the Time Lords", "The Stolen Earth", "Journey's End".

33
Bruno Langley as Adam Mitchell

BBC

A near-future genius whom Rose befriends and rescues from an exploding bunker, but who tries to take advantage of knowledge encountered in the future and gets sent home by the Doctor, who says it was a mistake to allow Adam aboard. Ninth Doctor. Stories as a companion include: "Dalek", "The Long Game".

32
Billie Piper as Rose Tyler

BBC

A 19-year-old shopgirl who stumbles onto a Nestene plot against Earth and eagerly joins the Doctor in his time machine. Ninth, Tenth Doctors. Stories as a companion include: "Rose", "The End of the World", "The Unquiet Dead", "Aliens of London", "World War Three", "Dalek", "The Long Game", "Father's Day", "The Empty Child", "The Doctor Dances", "Boom Town", "Bad Wolf", "The Parting of the Ways", "The Christmas Invasion", "New Earth", "Tooth and Claw", "School Reunion", "The Girl in the Fireplace", "Rise of the Cybermen", "The Age of Steel", "The Idiot's Lantern", "The Impossible Planet", "The Satan Pit", "Love and Monsters", "Fear Her", "Army of Ghosts", "Doomsday", "The Stolen Earth", "Journey's End".

31
Daphne Ashbrook as Dr. Grace Holloway

BBC

An emergency room surgeon who operates on the Doctor after he's shot by gang thugs and, thanks to her ignorance of his anatomy, kills him. The regenerated Doctor seeks her out and gains her help in stopping a threat posed by the Master. She decides not to join him in the TARDIS. Eighth Doctor. Stories as a companion include: "Doctor Who: The Movie".

30
Sophie Aldred as Ace

BBC

An ordinary girl from Perivale with a boundless enthusiasm and a love for high explosives. Encountered by the Doctor on Iceworld, where she was blown after some sort of cosmic storm. She carries a ghetto blaster and shouts "Ace!" when excited, but discovers young womanhood as the Doctor actively places her in situations that test her character. Still traveling with the Doctor when the original series ends. Seventh Doctor. Stories as a companion include: "Dragonfire", "Remembrance of the Daleks", "The Happiness Patrol", "Silver Nemesis", "The Greatest Show in the Galaxy", "Battlefield", "Ghost Light", "The Curse of Fenric", "Survival".

29
Bonnie Langford as Melanie "Mel" Bush

BBC

A perky health nut who pushes the Doctor to exercise and eat right. Her arrival in the Doctor's life is unclear, since she's first seen in a story set in the Sixth Doctor's future. She leaves to travel with the space pirate Glitz. Sixth, Seventh Doctors. Stories as a companion include: "Terror of the Vervoids", "The Ultimate Foe", "Time and the Rani", "Paradise Towers", "Delta and the Bannermen", "Dragonfire".

28
Nicola Bryant as Peri Brown

BBC

An American botany student rescued from drowning by Turlough, and then accidentally brought along when Kamelion takes the ship to Sarn. Contrary and strong-minded, she spends much of her time with the Sixth Doctor in perpetual argument, but they are both quite fond of each other. Apparently killed to provide a host for a slug-like villain, though the Time Lord Inquisitor later claims she survived and became a warrior queen. Fifth, Sixth Doctors. Stories as a companion include: "Planet of Fire", "The Caves of Androzani", "The Twin Dilemma", "Attack of the Cybermen", "Vengeance on Varos", "The Mark of the Rani", "The Two Doctors", "Timelash", "Revelation of the Daleks", "The Mysterious Planet", "Mindwarp".

27
Gerald Flood* as Kamelion

BBC

A sentient android susceptible to control by the wills of others, and capable of shape-shifting into the human form required of it by whoever is controlling it. Taken from the Master to foil the latter's plot to prevent Magna Carta, Kamelion never freed himself from his link with the Master and in the end brought the Doctor to the Master. Kamelion begged the Doctor kill him as the only way to free himself. The Doctor complied. Fifth Doctor. Stories as a companion include: "The King's Demons", "Planet of Fire".

26
Mark Strickson as Vislor Turlough

BBC

Exile from the planet Trion, living as a British schoolboy on Earth. Agrees to help the Black Guardian against the Doctor in exchange for a return home, but balks when he gets to know the Doctor and ultimately rejects the Black Guardian despite the temptation of power. Returns to his people on learning his exile was rescinded. Fifth Doctor. Stories as a companion include: "Mawdryn Undead", "Terminus", "Enlightenment", "The King's Demons", "The Five Doctors", "Warriors of the Deep", "The Awakening", "Frontios", "Resurrection of the Daleks", "Planet of Fire".

25
Janet Fielding as Tegan Jovanka

BBC

Australian flight attendant who wanders into the TARDIS after her car suffers a flat nearby. The Doctor seems to find her by turns irritating and bracing (she calls herself "a mouth with legs") but believes she has it in her to keep their group together. Leaves after the bloody encounter with the Daleks. Fourth, Fifth Doctors. Stories as a companion include: "Logopolis", "Castrovalva", "Four to Doomsday", "Kinda", "The Visitation", "Black Orchid", "Earthshock", "Time-Flight", "Arc of Infinity", "Snakedance", "Mawdryn Undead", "Terminus", "Enlightenment", "The King's Demons", "The Five Doctors", "Warriors of the Deep", "The Awakening", "Frontios", "Resurrection of the Daleks".

24
Sarah Sutton as Nyssa

BBC

Daughter of one of the leaders of Traken, with a strong bent toward science. Begs the Doctor for help after her father, Tremas, goes missing, and horrified to learn the Master has commandeered his body. Practical and sensible. Gains maturity in her travels with the Doctor and leaves to help free the inmates and guards of Terminus station from Lazar's disease. Fourth, Fifth Doctors. Stories as a companion include: "The Keeper of Traken", "Logopolis", "Castrovalva", "Four to Doomsday", "Kinda", "The Visitation", "Black Orchid", "Earthshock", "Time-Flight", "Arc of Infinity", "Snakedance", "Mawdryn Undead", "Terminus".

23
Matthew Waterhouse as Adric

BBC

A young boy with a remarkable capacity for mathematics, from a race of quick-healers. Stows away on the TARDIS. Brash and sometimes truculent, he is eager to learn all he can from the Doctor. Killed after being trapped on a freighter preprogrammed to crash into prehistoric Earth. Fourth, Fifth Doctors. Stories as a companion include: "Full Circle", "State of Decay", "Warriors' Gate", "The Keeper of Traken", "Logopolis", "Castrovalva", "Four to Doomsday", "Kinda", "The Visitation", "Black Orchid", "Earthshock".

22
Lalla Ward as Romana

BBC

Second incarnation. Very much the Doctor's peer as a traveling companion and activist against evil. Leaves to help the time-sensitive Tharils free their race from slavery and rebuild their civilization. Fourth Doctor. Stories as a companion include: "Destiny of the Daleks", "City of Death", "The Creature from the Pit", "Nightmare of Eden", "The Horns of Nimon", "The Leisure Hive", "Meglos", "Full Circle", "State of Decay", "Warriors' Gate".

21
Mary Tamm as Romana

BBC

A Time Lord recruited by the White Guardian to help the Doctor find the Key to Time. Imperious and sardonic, but capable of recognizing her book-smarts are not the same as the Doctor's knowledge. Regenerates for unknown reasons after the events of "The Armageddon Factor". Fourth Doctor. Stories as a companion include: "The Ribos Operation", "The Pirate Planet", "The Stones of Blood", "The Androids of Tara", "The Power of Kroll", "The Armageddon Factor".

20
John Leeson*, David Brierley* as K-9

BBC

The Doctor's "tin dog." A rolling computer equipped with a stun ray weapon. The original was a gift, and stayed with Leela on Gallifey; he built the second (which stayed with Romana) and the third (a gift for Sarah Jane). Fourth Doctor. Stories as a companion include: Mark I: "The Invisible Enemy", "Image of the Fendahl", "The Sun Makers", "Underworld", "The Invasion of Time"; Mark II: "The Ribos Operation", "The Pirate Planet", "The Stones of Blood", "The Androids of Tara", "The Power of Kroll", "The Armageddon Factor", "Destiny of the Daleks", "City of Death", "The Creature from the Pit", "Nightmare of Eden", "The Horns of Nimon", "The Leisure Hive", "Meglos", "Full Circle", "State of Decay", "Warriors' Gate"; Mark III: "School Reunion".

19
Louise Jameson as Leela

BBC

A warrior of the Sevateem. Intelligent but untaught, extremely adaptable, cunning, and fearless. Stays behind on Gallifrey (with K-9 Mark I) to be with Andred, a guard she'd been working with against the Sontarans. Fourth Doctor. Stories as a companion include: "The Face of Evil", "The Robots of Death", "The Talons of Weng-Chiang", "Horror of Fang Rock", "The Invisible Enemy", "Image of the Fendahl", "The Sun Makers", "Underworld", "The Invasion of Time".

18
Ian Marter as Harry Sullivan

BBC

A naval surgeon attached to UNIT. Accident-prone and unsubtle, occasionally making arch remarks but loyally supporting the Doctor despite his once shouting "Harry Sullivan is an imbecile!" Decides to stay behind on Earth when next they arrive in contemporary times. Fourth Doctor. Stories as a companion include: "Robot", "The Ark in Space", "The Sontaran Experiment", "Genesis of the Daleks", "Revenge of the Cybermen", "Terror of the Zygons", "The Android Invasion".

17
Elisabeth Sladen as Sarah Jane Smith

BBC

A liberated journalist with unbridled curiosity. She and the Doctor part company so that the Doctor can return to Gallifrey alone, but after further encounters she emulates him as a protector of Earth.  Third, Fourth Doctors. Stories as a companion include: "The Time Warrior", "Invasion of the Dinosaurs", "Death to the Daleks", "The Monster of Peladon", "Planet of the Spiders", "Robot", "The Ark in Space", "The Sontaran Experiment", "Genesis of the Daleks", "Revenge of the Cybermen", "Terror of the Zygons", "Planet of Evil", "Pyramids of Mars", "The Android Invasion", "The Brain of Morbius", "The Seeds of Doom", "The Masque of Mandragora", "The Hand of Fear", "The Five Doctors", "School Reunion", "The Stolen Earth", "Journey's End".

16
Katy Manning as Jo Grant

BBC

The Doctor's UNIT assistant, who got the job through family connections. She's persistent, curious, and actually rather sharp despite seeming to be, and referring to herself as, "exceedingly dim." Leaves to marry a crusading scientist not unlike the Doctor. Third Doctor. Stories as a companion include: "Terror of the Autons", "The Mind of Evil", "The Claws of Axos", "Colony in Space", "The Daemons", "Day of the Daleks", "The Curse of Peladon", "The Sea Devils", "The Mutants", "The Time Monster", "The Three Doctors", "Carnival of Monsters", "Frontier in Space", "Planet of the Daleks", "The Green Death".

15
Caroline John as Liz Shaw

BBC

Short-skirted Cambridge scientist seconded to UNIT. Returns to Cambridge after decided she's overqualified to hand the Doctor his test tubes. Third Doctor. Stories as a companion include: "Spearhead from Space", "Doctor Who and the Silurians", "The Ambassadors of Death", "Inferno".

14
Nicholas Courtney as Brigadier Lethbridge-Stewart

BBC

An army officer called on to lead the British wing of UNIT, an official military outfit tasked with responding to extraterrestrial threats. Works closely with the Doctor despite the latter's disdain for violence. Third, Fourth Doctors as a regular; recurring Second through Seventh Doctors. Stories as a companion include: "Spearhead from Space", "Doctor Who and the Silurians", "The Ambassadors of Death", "Inferno", "Terror of the Autons", "The Mind of Evil", "The Claws of Axos", "The Daemons", "Day of the Daleks", "The Time Monster", "The Three Doctors", "The Green Death", "The Time Warrior", "Invasion of the Dinosaurs", "Planet of the Spiders", "Robot", "Terror of the Zygons", "Mawdryn Undead", "The Five Doctors", "Battlefield".

13
Wendy Padbury as Zoe Heriot

BBC

A bright-eyed engineer-scientist from a future space station. She claims to be the Doctor's peer in intelligence, but the Doctor has the edge in experience and wisdom. Sent home by the Time Lords after the Doctor's trial. Second Doctor. Stories as a companion include: "The Wheel in Space", "The Dominators", "The Mind Robber", "The Invasion", "The Krotons", "The Seeds of Death", "The Space Pirates", "The War Games".

12
Deborah Watling as Victoria Waterfield

BBC

A young woman from the 19th century captured by the Daleks. Though seemingly very "Victorian," she loosens up in Jamie and the Doctor's company, but is horrified by the events of "Fury from the Deep" and stays behind with a kindly family. Second Doctor. Stories as a companion include: "The Evil of the Daleks", "The Tomb of the Cybermen", "The Abominable Snowmen", "The Ice Warriors", "The Enemy of the World", "The Web of Fear", "Fury from the Deep".

11
Frazer Hines as Jamie McCrimmon

BBC

A Scottish Jacobite caught up with the Doctor as he arrives for the Battle of Culloden. Straightforward and honest, he develops a strong rapport with the Second Doctor and trades wry dialog with him. Sent home unwillingly after the Doctor's trial on Gallifrey. Second Doctor. Stories as a companion include: "The Highlanders", "The Underwater Menace", "The Moonbase", "The Macra Terror", "The Faceless Ones", "The Evil of the Daleks", "The Tomb of the Cybermen", "The Abominable Snowmen", "The Ice Warriors", "The Enemy of the World", "The Web of Fear", "Fury from the Deep", "The Wheel in Space", "The Dominators", "The Mind Robber", "The Invasion", "The Krotons", "The Seeds of Death", "The Space Pirates", "The War Games", "The Two Doctors".

10
Michael Craze as Ben Jackson

BBC

Sailor who becomes attached to Polly despite their class differences. Loyal and dependable. First, Second Doctors. Stories as a companion include: "The War Machines", "The Smugglers", "The Tenth Planet", "The Power of the Daleks", "The Highlanders", "The Underwater Menace", "The Moonbase", "The Macra Terror", "The Faceless Ones".

9
Anneke Wills as Polly

BBC

Hip young upper-class woman whom the Doctor enlists to help against the War Machines. Leaves with Ben after their adventures take them to contemporary London. First, Second Doctors. Stories as a companion include: "The War Machines", "The Smugglers", "The Tenth Planet", "The Power of the Daleks", "The Highlanders", "The Underwater Menace", "The Moonbase", "The Macra Terror", "The Faceless Ones".

8
Jackie Lane as Dodo Chaplet

BBC

A London girl who wanders into the TARDIS thinking it's a police box, apparently a descendant of a woman Steven had just befriended in 16th-century France. Relentlessly cheery and undaunted. After being mind-controlled by the War Machines she goes for a rest in the country and decides not to return. First Doctor. Stories as a companion include: "The Massacre of St Bartholomew's Eve", "The Ark", "The Celestial Toymaker", "The Gunfighters", "The Savages", "The War Machines".

7
Adrienne Hill as Katarina

BBC

A Trojan handmaiden who never comes to understand the TARDIS as anything but a temple, and the Doctor as a god. Dies in self-sacrifice after being attacked by an escaped prisoner, Kirksen, by opening the airlock containing them both. First Doctor. Stories as a companion include: "The Myth Makers", "The Daleks' Master Plan".

6
Jean Marsh as Sara Kingdom

BBC

An officer of the 40th-century Earth's Space Security. Ruthless and aggressive, she is tempered through her time helping the Doctor but dies from the rapid-aging effects of the Time Destructor. First Doctor. Stories as a companion include: "The Daleks' Master Plan".

5
Peter Purves as Steven Taylor

BBC

Astronaut kept captive by a robot race called the Machanoids. Escaping in their fight with the Daleks, he stows away in the TARDIS. Ironic and questioning. Leaves to become a leader of a society ending a system of race exploitation. First Doctor. Stories as a companion include: "The Chase", "The Time Meddler", "Galaxy 4", "Mission to the Unknown", "The Myth Makers", "The Daleks' Master Plan", "The Massacre of St Bartholomew's Eve", "The Ark", "The Celestial Toymaker", "The Gunfighters", "The Savages".

4
Maureen O'Brien as Vicki

BBC

An orphan from the 25th century, survivor of a spaceship crash on the planet Dido. Clever and bright-eyed. Leaves to become Cressida in ancient Troy. First Doctor. Stories as a companion include: "The Rescue", "The Romans", "The Web Planet", "The Crusade", "The Space Museum", "The Chase", "The Time Meddler", "Galaxy 4", "Mission to the Unknown", "The Myth Makers".

3
Jacqueline Hill as Barbara Wright

BBC

Susan's history teacher. Worries about the well-being of others. First Doctor. Stories as a companion include: "An Unearthly Child", "The Daleks", "The Edge of Destruction", "Marco Polo", "The Keys of Marinus", "The Aztecs", "The Sensorites", "The Reign of Terror", "Planet of Giants", "The Dalek Invasion of Earth", "The Rescue", "The Romans", "The Web Planet", "The Crusade", "The Space Museum", "The Chase".

2
William Russell as Ian Chesterton

BBC

Susan's science teacher at Coal Hill School. Practical and brave. Returns to 1965 Earth with Barbara via a Dalek time machine. First Doctor. Stories as a companion include: "An Unearthly Child", "The Daleks", "The Edge of Destruction", "Marco Polo", "The Keys of Marinus", "The Aztecs", "The Sensorites", "The Reign of Terror", "Planet of Giants", "The Dalek Invasion of Earth", "The Rescue", "The Romans", "The Web Planet", "The Crusade", "The Space Museum", "The Chase".

1
Carole Ann Ford as Susan Foreman

BBC

The Doctor's granddaughter, sharing his exile from Gallifrey. Exhibits strange knowledge at school, piquing the interest of her teachers Ian and Barbara. The Doctor leaves her on 22nd-century Earth so she can be with her love, David. First Doctor. Stories as a companion include: "An Unearthly Child", "The Daleks", "The Edge of Destruction", "Marco Polo", "The Keys of Marinus", "The Aztecs", "The Sensorites", "The Reign of Terror", "Planet of Giants", "The Dalek Invasion of Earth", "The Five Doctors."