- A Virtual Princess Bride Reunion
2020 The Impressive Clergyman
- The Admiral: Pub, Drums and Food
2018 Dirk McQuickley (archive footage)
- The Entire Universe
2016 Writer
- Absolutely Anything
2015 Salubrious Gat (voice)
- Put the Minister in the Socket
2015 Original Story
- Monty Python Live (Mostly)
2014 Director
- The Boxtrolls
2014 Songs
- What About Dick?
2012 Director
- Not the Messiah (He's a Very Naughty Boy)
2010 Writer
- Delgo
2008 Spig (voice)
- Life Of Brian Screenplay
2008 Screenplay
- Shrek the Third
2007 Merlin (voice)
- Hitler: The Comedy Years
2007 Mr. Johnson (archive footage) (uncredited)
- Monty Python's Flying Circus—Graham Chapman's Personal Best
2006 Various Characters
- Monty Python's Flying Circus—Eric Idle's Personal Best
2006 Various Characters
- Monty Python's Flying Circus—John Cleese's Personal Best
2006 Various Characters
- Monty Python's Flying Circus — Michael Palin's Personal Best
2006 Various Roles (archive footage)
- Monty Python's Flying Circus—Terry Gilliam's Personal Best
2006 Various Characters
- Monty Python's Flying Circus—Graham Chapman's Personal Best
2006 Various Characters
- Ella Enchanted
2004 Narrator
- The Nutcracker and the Mouseking
2004 Drosselmeier (voice)
- Christmas Vacation 2: Cousin Eddie's Island Adventure
2003 English Victim
- Can't Buy Me Lunch: Another Look at The Rutles
2003 Director
- Hollywood Homicide
2003 Celebrity
- The Scream Team
2002 Coffin Ed
- Brightness
2001 Mr. Bix
- Unplug the Minister in the Socket
2001 Original Story
- 102 Dalmatians
2000 Waddlesworth (voice)
- The Secret of NIMH 2: Timmy to the Rescue
1999 Evil Martin (voice)
- Dudley Do-Right
1999 Prospector
- South Park: Bigger, Longer & Uncut
1999 Dr. Vosknocker (voice)
- Hercules: Zero to Hero
1999 Parenthesis (voice) (archive sound)
- Rudolph the Red-Nosed Reindeer: The Movie
1998 Slyly (voice)
- An Alan Smithee Film: Burn, Hollywood, Burn
1998 Alan Smithee
- Quest for Camelot
1998 Devon (voice)
- State of Fear
1997
- Pirates 4-D
1997 Screenplay
- The Wind in the Willows
1996 Rat
- Bobcat Goldthwait Comedy Central "Pulp Comics"
1996 Man in Bed
- Casper
1995 Dibs
- Splitting Heirs
1993 Writer
- Mom and Dad Save the World
1992 King Raff
- Missing Pieces
1992 Wendel
- Too Much Sun
1991 Sonny
- One Foot in the Grave: The Man In The Long Black Coat
1991 Mervyn Whale
- Nuns on the Run
1990 Brian Hope
- How to Get Ahead in Advertising
1989 Male Love Bird (voice) (uncredited)
- The Adventures of Baron Munchausen
1988 Desmond / Berthold
- The Mikado
1987 Ko-Ko
- The Transformers: The Movie
1986 Wreck-Gar (voice)
- National Lampoon's European Vacation
1985 The Bike Rider
- The Pied Piper of Hamelin
1985 The Pied Piper / Robert Browning
- Monty Python's The Meaning of Life
1983 Screenplay
- Yellowbeard
1983 Commander Clement
- The Crimson Permanent Assurance
1983 Gunther (uncredited)
- Monty Python Live at the Hollywood Bowl
1982 Writer
- The Tale of the Frog Prince
1982 Director
- Steve Martin's Best Show Ever
1981 Director
- Life of Brian
1979 Screenplay
- The Rutles: All You Need Is Cash
1978 Director
- Yellow Submarine Sandwich
1978 Dirk McQuickly (dialogue voice)
- Monty Python and the Holy Grail
1975 Writer
- Monty Python In The Netherlands
1973 Pie Face 1
- The Philosophers' Football Match
1972 Sokrates
- And Now for Something Completely Different
1971 Screenplay
- Euroshow '71: May Day Special
1971 Various (as Montypython Flyingcircus)
- The Great Birds Eye Peas Relaunch 1971
1971 Writer
- Isadora Duncan, the Biggest Dancer in the World
1966 Jazz Band Chauffeur (uncredited)
- Alice in Wonderland
1966 Young Man (uncredited)
