| Movie | 1974 | Frankenstein: The True Story | Sea Captain | |
| Movie | 2018 | Tom Baker in Conversation | | |
| Movie | 1991 | Who on Earth Is... Tom Baker | Himself | |
| Movie | 2006 | Little Britain Live | Narrator (Voice) | |
| Movie | 1974 | The Mutations | Lynch | |
| Movie | 2013 | Doctor Who Live: The Afterparty | Self | |
| Movie | 1975 | Doctor Who: The Android Invasion | The Doctor | |
| Movie | 1990 | The Chronicles of Narnia: The Silver Chair | Puddleglum | |
| Movie | 1999 | The Millennium Oak | Narrator | |
| Movie | 1971 | Nicholas and Alexandra | Rasputin | |
| Movie | 2004 | The Magic Roundabout | Zeebad (voice) | |
| Movie | 1973 | The Golden Voyage of Sinbad | Prince Koura | |
| Movie | 1976 | The Author of Beltraffio | Mark Ambient | |
| Movie | 1973 | The Vault of Horror | Moore (segment 5 "Drawn and Quartered") | |
| Movie | 1974 | Luther | Pope Leo X | |
| Movie | 2015 | Little Britain Sketch | Narrator | |
| Movie | 1985 | Enemy Mine | Narrator (voice) | |
| Movie | 1989 | The Wolves of Willoughby Chase | Narrator (voice) (uncredited) | |
| Movie | 2006 | Global Haywire | Narrator (voice) | |
| Movie | 2019 | Geek, and You Shall Find | The Doctor (archive footage) | |
| Movie | 2006 | It Started with Swap Shop | Self (voice) | |
| Movie | 1990 | Hyperland | Tom | |
| Movie | 1993 | Doctor Who: Dimensions in Time | The 4th Doctor | |
| Movie | 1997 | Who is Tom Baker? Unauthorised | | |
| Movie | 2023 | Talking Doctor Who | Self / The Doctor (4) (archive footage) | |
| Movie | 2006 | Paranormal Pigeons | Self | |
| Movie | 2006 | A History of Flight | Narrator (voice) | |
| Movie | 1986 | Who's Who | | |
| Movie | 1993 | Selling Hitler | Manfred Fischer | |
| Movie | 1989 | Myth Makers 17: Tom Baker | | |
| Movie | 2001 | The Home Whovian | | |
| Movie | 1972 | The Canterbury Tales | Jenkin | |
| Movie | 1976 | Doctor Who: The Seeds of Doom | The Doctor | |
| Movie | 1984 | The Zany Adventures of Robin Hood | Sir Guy de Gisbourne | |
| Movie | 2013 | The Five(ish) Doctors Reboot | The Doctor (archive footage) | |
| Movie | 1980 | The Curse of King Tut's Tomb | Hasan | |
| Movie | 2013 | Doctor Who: The Day of the Doctor | The Doctor (4)/ The Curator | |
| Movie | 2018 | Doctor Who: Galactic Glitter | Narrator | |
| Movie | 2005 | Tom Baker’s Beyond Belief! | | |
| Movie | 2017 | Panopticon Genesis | | |
| Movie | 2021 | Panopticon Destiny – The Matrix Files | | |
| Movie | 1999 | Ray Harryhausen: Working with Dinosaurs | Self - Narrator (voice) | |
| Movie | 1989 | Babcock Transformers | Narrator | |
| Movie | 1983 | Into Another Dimension | Narrator | |
| Movie | 1997 | A Sci Fi Audience with Tom Baker | Self | |
| Movie | 2017 | The Doctors: The Tom Baker Years | | |
| Movie | 1979 | Doctor Who: City of Death | The Doctor | |
| Movie | 1975 | Doctor Who: The Ark in Space | The Doctor | |
| Movie | 2014 | Doctor Who: The Ultimate Companion | Self / The Doctor (archive footage) | |
| Movie | 1968 | The Winter's Tale | | |
| Movie | 1972 | The Millionairess | Dr. Ahmed el Kabir | |
| Movie | 2005 | Doctor Who: A New Dimension | Self | |
| Movie | 1992 | The Law Lord | Sir Lionel Sweeting | |
| Movie | 1998 | Backtime | Sarge | |
| Movie | 1980 | Doctor Who: The Horns of Nimon | The Doctor | |
| Movie | 1975 | Doctor Who: Pyramids of Mars | The Doctor | |
| Movie | 2024 | Doctor Who: The Legend of Ruby Sunday & Empire of Death | The Doctor (archive footage) (uncredited) | |
| Movie | 1973 | Dear Parents | Karl | |
| Movie | 1977 | Doctor Who: The Talons of Weng-Chiang | The Doctor | |
| Movie | 1975 | Doctor Who: Revenge of the Cybermen | Doctor Who | |
| Movie | 1975 | Doctor Who: Robot | The Doctor | |
| Movie | 1978 | Doctor Who: The Ribos Operation | The Doctor | |
| Movie | 1975 | Doctor Who: Terror of the Zygons | The Doctor | |
| Movie | 1976 | Doctor Who: The Brain of Morbius | The Doctor | |
| Movie | 1974 | Doctor Who: Planet of the Spiders | The Doctor | |
| Movie | 1992 | Doctor Who: Shada | The Doctor / Narrator | |
| Movie | 1975 | Doctor Who: The Sontaran Experiment | The Doctor | |
| Movie | 1976 | Doctor Who: The Masque of Mandragora | The Doctor | |
| Movie | 1976 | Doctor Who: The Deadly Assassin | The Doctor | |
| Movie | 1975 | Doctor Who: Genesis of the Daleks | The Doctor | |
| Movie | 1977 | Doctor Who: The Face of Evil | The Doctor / Xoanon | |
| Movie | 1977 | Doctor Who: The Robots of Death | The Doctor | |
| Movie | 1977 | Doctor Who: Horror of Fang Rock | The Doctor | |
| Movie | 1977 | Doctor Who: The Invisible Enemy | The Doctor | |
| Movie | 1977 | Doctor Who: Image of the Fendahl | The Doctor | |
| Movie | 1977 | Doctor Who: The Sun Makers | The Doctor | |
| Movie | 1978 | Doctor Who: Underworld | The Doctor | |
| Movie | 1978 | Doctor Who: The Invasion of Time | The Doctor | |
| Movie | 1978 | Doctor Who: The Pirate Planet | The Doctor | |
| Movie | 1978 | Doctor Who: The Stones of Blood | The Doctor | |
| Movie | 1978 | Doctor Who: The Androids of Tara | The Doctor | |
| Movie | 1979 | Doctor Who: The Power of Kroll | The Doctor | |
| Movie | 1979 | Doctor Who: The Armageddon Factor | The Doctor | |
| Movie | 1979 | Doctor Who: Destiny of the Daleks | The Doctor | |
| Movie | 1979 | Doctor Who: The Creature from the Pit | The Doctor | |
| Movie | 1979 | Doctor Who: Nightmare of Eden | The Doctor | |
| Movie | 1980 | Doctor Who: The Leisure Hive | The Doctor | |
| Movie | 1980 | Doctor Who: Meglos | The Doctor / Meglos | |
| Movie | 1980 | Doctor Who: Full Circle | The Doctor | |
| Movie | 1980 | Doctor Who: State of Decay | The Doctor | |
| Movie | 1981 | Doctor Who: Warriors' Gate | The Doctor | |
| Movie | 1981 | Doctor Who: The Keeper of Traken | The Doctor | |
| Movie | 1981 | Doctor Who: Logopolis | The Doctor | |
| Movie | 1975 | Doctor Who: Planet of Evil | The Doctor | |
| Movie | 1976 | Doctor Who: The Hand of Fear | The Doctor | |
| Movie | 1984 | The Passionate Pilgrim | The Lord | |
| Movie | 2006 | The Wind in the Willows | Judge | |
| Movie | 2017 | Doctor Who: Shada | The Doctor | |
| Movie | 1990 | Ray Harryhausen: Movement Into Life | Narrator | |
| Movie | 2019 | The Magnificent Obsession of Michael Reeves | Himself | |
| Movie | 1999 | Adventures in Space and Time | Himself | |
| Movie | 1983 | Doctor Who: The Five Doctors | The Doctor (4) (archive footage) | |
| Movie | 2008 | Celebration: Doctor Who in 1983 | (archival footage) | |
| Movie | 1977 | Whose Doctor Who | | |
| Movie | 2003 | The Story of Doctor Who | | |
| Movie | 2001 | Longleat '83: The Greatest Show in the Galaxy | Himself (archive footage) | |
| Movie | 1999 | Carnival of Monsters | | |
| Movie | 2008 | Family Guy Presents: Blue Harvest | The Doctor (archive footage) | |
| Movie | 2004 | The History Channel Presents: The Race To The Moon | Narrator | |
| Movie | 2020 | Our Sarah Jane – The Life of Elisabeth Sladen | Self | |
| Movie | 1982 | Doctor Who: Castrovalva | The Doctor (archive footage) | |
| Movie | 1982 | Doctor Who: Earthshock | The Doctor (4) (archive footage) | |
| Movie | 2004 | The Little Reindeer | Santa Claus (voice) | |
| Movie | 1989 | Christian | | |
| Movie | 1992 | Doctor Who: The Tom Baker Years | Himself | |
| Movie | 2000 | Dungeons & Dragons | Halvarth | |
| Movie | 2008 | Blackadder's Most Cunning Moments | Captain Rum/Self | |
| Movie | 2020 | Behind the Sofa - Season 14 | | |
| Movie | 2013 | Saving Santa | Santa (voice) | |
| Movie | 2024 | Doctor Who at the Proms | The Doctor (4) (archive footage) | |
| Movie | 1979 | Dr. Who For Keep Australia Beautiful | The Doctor | |
| Movie | 1993 | 30 Years in the TARDIS | Himself (archive footage) | |
| Movie | 2008 | Doctor Who: The Next Doctor | The Doctor (4) (archive footage) | |
| Movie | 2015 | Doctor Who: The Husbands of River Song | The Doctor (4) (picture) (uncredited) | |
| Movie | 1983 | Doctor Who: Mawdryn Undead | The Doctor (4) (archive footage) | |
| Movie | 1984 | Doctor Who: Resurrection of the Daleks | The Doctor (4) (archive footage) (uncredited) | |
| Movie | 2007 | A Darker Side: The Making of Planet of Evil | | |
| Movie | 2007 | A Matter of Time | | |
| Movie | 2004 | A New Beginning | (archive footage) | |
| Movie | 2007 | A New Body at Last | | |
| Movie | 2012 | The Sandmine Murders | | |
| Movie | 2008 | The Ties That Bind Us | The Fourth Doctor (archive footage) | |
| Movie | 2010 | The Tin Men and the Witch | | |
| Movie | 2007 | Are Friends Electric? | | |
| Movie | 2007 | The Crowded TARDIS | | |
| Movie | 2021 | Return to Skaro | | |
| Movie | 2019 | Hanging by a Thread: The Making of Logopolis | Self | |
| Movie | 2013 | Doctor Who: Tales from the TARDIS | Self | |
| Movie | 2025 | Doctor Who: Wish World & The Reality War | Doctor Who (archive footage) (uncredited) | |
| Movie | 2008 | Now, Get Out of That | | |
| TV Show | 2003 | Little Britain | Narrator | 20 |
| TV Show | 2005 | Doctor Who Confidential | Self | 6 |
| TV Show | 1963 | Doctor Who | | 0 |
| TV Show | 1966 | Softly, Softly | | 1 |
| TV Show | 1962 | Z-Cars | | 2 |
| TV Show | 2003 | Strange | Father Bernard | 1 |
| TV Show | 2000 | Randall & Hopkirk (Deceased) | Prof. Wyvern | 13 |
| TV Show | 1973 | Frankenstein: The True Story | Sea Captain | 2 |
| TV Show | 1975 | Jim'll Fix It | Self | 1 |
| TV Show | 1955 | Dixon of Dock Green | The Man | 1 |
| TV Show | 1972 | Arthur of the Britons | | 1 |
| TV Show | 2008 | Little Britain USA | | 6 |
| TV Show | 1990 | Medics | Prof. Geoffrey Hoyt, general surgeon | 35 |
| TV Show | 1982 | The Kenny Everett Television Show | Self | 1 |
| TV Show | 1982 | The Hound of the Baskervilles | Sherlock Holmes | 4 |
| TV Show | 2006 | The Secret Show | | 1 |
| TV Show | 1983 | Natural World | Narrator | 2 |
| TV Show | 1955 | Dixon of Dock Green | Foreman | 1 |
| TV Show | 1983 | Blackadder | Captain Rum | 1 |
| TV Show | 2001 | Fun at the Funeral Parlour | | 1 |
| TV Show | 2003 | Swiss Toni | | 1 |
| TV Show | 1999 | Eurotika! | Self | 1 |
| TV Show | 2007 | The Beeps | Narrator | 66 |
| TV Show | 1985 | Doctor Who's Who's Who | Doctor Who | 1 |
| TV Show | 1986 | The Life and Loves of a She-Devil | Father Ferguson | 4 |
| TV Show | 2014 | Star Wars Rebels | Bendu (voice) | 5 |
| TV Show | 1963 | Doctor Who | The Doctor | 172 |
| TV Show | 2000 | Monarch of the Glen | Donald MacDonald | 16 |
| TV Show | N/A | Have I Got a Bit More News for You | Himself - Presenter | 1 |
| TV Show | 1991 | Selling Hitler | Manfred Fischer | 5 |
| TV Show | 2013 | Doctor Who: The Doctors Revisited | Self | 11 |
| TV Show | 1990 | Cluedo | Professor Plum | 6 |
| TV Show | 2023 | Tales of the Tardis | The Doctor | 1 |
| TV Show | 1976 | Nouvelles d'Henry James | Mark Ambient | 1 |
| TV Show | 1978 | Late Night Story | self | 5 |
| TV Show | 1990 | Have I Got News for You | Self - Host | 1 |
| TV Show | 1988 | The Chronicles of Narnia | Puddleglum | 5 |
| TV Show | 1965 | BBC Play of the Month | Egyptian Doctor | 1 |
| TV Show | 1990 | Have I Got News for You | Self | 1 |
