| 2026 | Who Is Martin Mull? | Self |
| 2021 | Monty Python's Best Bits Celebrated | Self (archive footage)(uncredited) |
| 2020 | A Virtual Princess Bride Reunion | The Impressive Clergyman |
| 2019 | Python at 50: Silly Talks and Holy Grails | Self (archive footage) |
| 2019 | An Accidental Studio | Self (archive footage) |
| 2018 | The Admiral: Pub, Drums and Food | Dirk McQuickley (archive footage) |
| 2018 | Robin Williams: Come Inside My Mind | Self |
| 2017 | The Rolling Stones: From the Vault - Sticky Fingers Live at the Fonda Theatre 2015 | Self - Audience Member |
| 2017 | Terry Pratchett: Back in Black | Self |
| 2016 | The Entire Universe | Self - Presenter |
| 2015 | Absolutely Anything | Salubrious Gat (voice) |
| 2014 | Monty Python: The Meaning of Live | Self |
| 2014 | Monty Python Live (Mostly) | Self, others |
| 2014 | Monty Python: And Now for Something Rather Similar | Self |
| 2014 | 50 Years of BBC Two Comedy | Self |
| 2014 | The Comedy Vaults: BBC2's Hidden Treasure | Self |
| 2014 | The Night That Changed America: A Grammy Salute to the Beatles | Self / Nigel Spasm |
| 2013 | The Meaning of Monty Python | Self |
| 2012 | What About Dick? | The Piano |
| 2012 | Mr. Blue Sky: The Story of Jeff Lynne & ELO | Self |
| 2012 | London 2012 Olympic Closing Ceremony: A Symphony of British Music | Self |
| 2012 | The Secret Policeman's Ball | Self |
| 2010 | Not The Messiah: The Road To Albert Hall | |
| 2010 | Not the Messiah (He's a Very Naughty Boy) | Baritonish / Stan / Loretta / Bob Dylan / Ben |
| 2010 | Monty Python: Almost the Truth (The Lawyer's Cut) - Theatrical Release | Self |
| 2008 | Delgo | Spig (voice) |
| 2008 | We Are Most Amused | Self |
| 2008 | Monty Python: Before the Flying Circus | Self |
| 2008 | The Seventh Python | Self |
| 2008 | The Madness and Misadventures of Munchausen | Self - 'Berthold' |
| 2008 | Life Of Brian Screenplay | Mr. Cheeky, Stan aka Loretta, Harry the Haggler |
| 2008 | Monty Python Conquers America | Self |
| 2007 | Shrek the Third | Merlin (voice) |
| 2007 | Hitler: The Comedy Years | Mr. Johnson (archive footage) (uncredited) |
| 2007 | The Secret Life of Brian | Self |
| 2007 | What the Pythons Did Next... | Self (archive footage) |
| 2006 | Monty Python's Flying Circus—John Cleese's Personal Best | Various Characters |
| 2006 | Monty Python's Flying Circus — Michael Palin's Personal Best | Various Roles (archive footage) |
| 2006 | Monty Python's Flying Circus—Terry Gilliam's Personal Best | Various Characters |
| 2006 | Monty Python's Flying Circus—Graham Chapman's Personal Best | Various Characters |
| 2006 | Monty Python's Flying Circus—Eric Idle's Personal Best | Various Characters |
| 2006 | Monty Python's Flying Circus—Graham Chapman's Personal Best | Various Characters |
| 2005 | The Roots of Monty Python | Self (archive footage) |
| 2005 | Earth to America | Self |
| 2005 | The Aristocrats | Self |
| 2005 | Live from New York: The First 5 Years of Saturday Night Live | Self |
| 2004 | The Nutcracker and the Mouseking | Drosselmeier (voice) |
| 2004 | Ella Enchanted | Narrator |
| 2004 | The Best of Monty Python's Flying Circus Volume 1 | Self (archive footage) |
| 2004 | The Best of Monty Python's Flying Circus Volume 2 | Self (archive footage) |
| 2004 | The Best of Monty Python's Flying Circus Volume 3 | Self (archive footage) |
| 2003 | Christmas Vacation 2: Cousin Eddie's Island Adventure | English Victim |
| 2003 | David Bowie - Sound and Vision | Self |
| 2003 | The Meaning of Making 'The Meaning of Life' | Self |
| 2003 | Can't Buy Me Lunch: Another Look at The Rutles | Melvin / Dirk McQuickly / Lady Beth Mouse-Peddler |
| 2003 | Hollywood Homicide | Celebrity |
| 2002 | The Scream Team | Coffin Ed |
| 2002 | Peter Cook: At a Slight Angle to the Universe | Self |
| 2001 | Brightness | Mr. Bix |
| 2000 | I Don't Believe It!: The One Foot in the Grave Story | Self |
| 2000 | The Beatles Revolution | Self |
| 2000 | The Life of Python | Self |
| 2000 | 102 Dalmatians | Waddlesworth (voice) |
| 1999 | The Monty Python Story | Self |
| 1999 | Monty Python: From Spam to Sperm | Self |
| 1999 | Monty Python: 30th Anniversary Sketches | Self |
| 1999 | 30 Years of Monty Python, a Revelation | Self |
| 1999 | Dudley Do-Right | Prospector |
| 1999 | Hercules: Zero to Hero | Parenthesis (voice) (archive sound) |
| 1999 | South Park: Bigger, Longer & Uncut | Dr. Vosknocker (voice) |
| 1999 | The Secret of NIMH 2: Timmy to the Rescue | Evil Martin (voice) |
| 1998 | Rudolph the Red-Nosed Reindeer: The Movie | Slyly (voice) |
| 1998 | Quest for Camelot | Devon (voice) |
| 1998 | Monty Python: Live at Aspen | Self |
| 1998 | An Alan Smithee Film: Burn, Hollywood, Burn | Alan Smithee |
| 1997 | Pirates 4-D | Pierre |
| 1997 | State of Fear | |
| 1996 | Bobcat Goldthwait Comedy Central "Pulp Comics" | Man in Bed |
| 1996 | The Wind in the Willows | Rat |
| 1995 | Casper | Dibs |
| 1993 | Splitting Heirs | Tommy Butterfly Rainbow Peace Patel |
| 1992 | Mom and Dad Save the World | King Raff |
| 1992 | Missing Pieces | Wendel |
| 1991 | One Foot in the Grave: The Man In The Long Black Coat | Mervyn Whale |
| 1991 | Too Much Sun | Sonny |
| 1990 | Nuns on the Run | Brian Hope |
| 1990 | Life of Python | Self / Various Roles |
| 1989 | Parrot Sketch Not Included: Twenty Years of Monty Python | Self / Various Characters |
| 1989 | How to Get Ahead in Advertising | Male Love Bird (voice) (uncredited) |
| 1989 | The Movie Life of George | Self |
| 1988 | The Adventures of Baron Munchausen | Desmond / Berthold |
| 1987 | The English National Opera Rehearse The Mikado | Self |
| 1987 | The Mikado | Ko-Ko |
| 1986 | The Transformers: The Movie | Wreck-Gar (voice) |
| 1985 | National Lampoon's European Vacation | The Bike Rider |
| 1985 | The Pied Piper of Hamelin | The Pied Piper / Robert Browning |
| 1983 | Yellowbeard | Commander Clement |
| 1983 | Group Madness | Self |
| 1983 | Monty Python's The Meaning of Life | Various Roles |
| 1983 | The Crimson Permanent Assurance | Gunther (uncredited) |
| 1982 | The Tale of the Frog Prince | Narrator |
| 1982 | Monty Python Live at the Hollywood Bowl | Various Roles |
| 1981 | Steve Martin's Best Show Ever | Reporter |
| 1979 | Life of Brian | Mr. Cheeky / Stan 'Loretta' / Harry the Haggler / Culprit Woman / Warris / Intensely Dull Youth / Jailer's Assistant / Otto / Lead Singer Crucifee |
| 1979 | The Pythons: Somewhere in Tunisia, Circa A.D. 1979 | Self |
| 1978 | The Rutles: All You Need Is Cash | Dirk McQuickly/The Narrator/S.J. Krammerhead |
| 1978 | Yellow Submarine Sandwich | Dirk McQuickly (dialogue voice) |
| 1975 | Monty Python and the Holy Grail | Dead Collector / Peasant 1 / Sir Robin the Not-Quite-So-Brave-as-Sir Launcelot / First Swamp Castle Guard / Concorde / Roger the Shrubber / Brother Maynard |
| 1974 | Monty Python & the Holy Grail Location Report | Self |
| 1973 | Monty Python In The Netherlands | Pie Face 1 |
| 1972 | The Philosophers' Football Match | Sokrates |
| 1971 | The Great Birds Eye Peas Relaunch 1971 | |
| 1971 | And Now for Something Completely Different | Prosecutor / Marriage Counselor / Arthur Nudge / Self-defence student #4 (interested in pointed sticks) / 'Hell's Grannies' analyst / Arthur Wilson / Arthur Wilson Two / Nightclub Emcee / Linkman / First General / Restaurant Manager / Lingerie Shop Owner / Accountant #1 (falling past the window) / Fairy Godmother / Rita Fairbanks / Simon Zinc Trumpet Harris / Mountie / Lady With Cookbook |
| 1971 | Euroshow '71: May Day Special | Various (as Montypython Flyingcircus) |
| 1966 | Alice in Wonderland | Young Man (uncredited) |
| 1966 | Isadora Duncan, the Biggest Dancer in the World | Jazz Band Chauffeur (uncredited) |
