| Movie | 1986 | Whoops Apocalypse | Sir Mortimer Chris (Prime Minister) | |
| Movie | 1988 | Mr Jolly Lives Next Door | Mr Jolly | |
| Movie | 1972 | The Adventures of Barry McKenzie | Dominic | |
| Movie | 1983 | Yellowbeard | Lord Percy Lambourn | |
| Movie | 1969 | The Bed Sitting Room | Inspector | |
| Movie | 1984 | Supergirl | Nigel | |
| Movie | 1966 | Alice in Wonderland | Mad Hatter | |
| Movie | 1994 | Black Beauty | Lord Wexmire | |
| Movie | 2004 | Remember the Secret Policeman's Ball? | Self | |
| Movie | 1978 | The Hound of the Baskervilles | Sherlock Holmes | |
| Movie | 1966 | The Wrong Box | Morris Finsbury | |
| Movie | 1969 | Monte Carlo or Bust! | Maj. Digby Dawlish | |
| Movie | 1967 | Bedazzled | George Spiggot | |
| Movie | 1985 | Supergirl: The Making of the Movie | Self / Nigel | |
| Movie | 1968 | A Dandy in Aspic | Prentiss | |
| Movie | 1964 | Beyond the Fringe | Various Characters | |
| Movie | 1976 | Pleasure at Her Majesty's | Self | |
| Movie | 1979 | The Secret Policeman's Ball | Various Roles | |
| Movie | 1982 | The Secret Policeman's Other Ball | Self - Various Roles | |
| Movie | 1989 | The Secret Policeman’s Biggest Ball | Self | |
| Movie | 1995 | Some Interesting Facts About Peter Cook | Self | |
| Movie | 1994 | Peter Cook Talks Golf Balls | Various | |
| Movie | 1970 | The Rise and Rise of Michael Rimmer | Michael Rimmer | |
| Movie | 1979 | Derek and Clive Get the Horn | Clive | |
| Movie | 1960 | Ten Thousand Talents | | |
| Movie | 1981 | An Audience with Dudley Moore | | |
| Movie | 2002 | Peter Cook: At a Slight Angle to the Universe | Self (archive footage) | |
| Movie | 1991 | Roger Mellie: The Man on the Telly | Roger Mellie | |
| Movie | 1987 | The Princess Bride | The Impressive Clergyman | |
| Movie | 1989 | Getting It Right | Mr. Adrian | |
| Movie | 2002 | Offensive: The Real Derek and Clive | Self (archive footage) | |
| Movie | 1976 | Find the Lady | Lewenhak | |
| Movie | 1988 | Jake's Journey | King Arthur | |
| Movie | 1988 | Without a Clue | Greenhough | |
| Movie | 1985 | Kenny Everett's Christmas Carol | the Ghost of Christmas Yet to Come | |
| Movie | 2014 | The Kate Bush Story: Running Up That Hill | Self (archive footage) | |
| Movie | 1993 | Clive Anderson Talks Back: Peter Cook | Norman House / Sir James Beauchamp / Alan Latchley / Eric Daley | |
| Movie | 1982 | Electric Blue 007 | Self | |
| Movie | 2016 | The Undiscovered Peter Cook | Self (archive footage) | |
| Movie | 1990 | A Life in Pieces | Arthur Streeb-Greebling | |
| Movie | 2016 | Peter Cook and Dudley Moore: The Missing Sketches | Self (archive footage) | |
| Movie | 1980 | Peter Cook & Co. | Various Characters | |
| Movie | 1989 | Great Balls of Fire! | First English Reporter | |
| Movie | 1985 | KLM: Diplomatix | Narrator | |
| Movie | 1983 | Group Madness | Self | |
| Movie | 1993 | One Foot in the Algarve | Martin Trout | |
| Movie | 2003 | The Best of Peter Cook and Dudley Moore | Self (archive footage) | |
| Movie | 1977 | The Mermaid Frolics | E. L. Wisty | |
| Movie | 2008 | Blackadder's Most Cunning Moments | Self | |
| Movie | 1982 | Night of 100 Stars | Self | |
| Movie | 2024 | Joan Rivers at the BBC | Self (archive footage) | |
| Movie | 2008 | Gaybo Laughs Back | Self | |
| Movie | 1981 | Late Flowering Love | | |
| TV Show | 1964 | Top of the Pops | Self | 1 |
| TV Show | 1994 | Room 101 | Self | 1 |
| TV Show | 1976 | The Secret Policeman's Ball | Self | 15 |
| TV Show | 1983 | Blackadder | Richard III | 1 |
| TV Show | 1964 | Not Only... But Also | | 23 |
| TV Show | 1990 | A Life In Pieces | Sir Arthur Streeb-Greebling | 12 |
| TV Show | 1989 | Saturday Night Clive | | 1 |
| TV Show | 1971 | Where Do I Sit? | | 3 |
| TV Show | 1981 | The Two of Us | Robert Brentwood | 20 |
| TV Show | 1982 | The Kenny Everett Television Show | The Ghost of Christmas Yet to Come | 1 |
| TV Show | 1985 | The Mind of David Berglas | | 1 |
| TV Show | 1978 | Revolver | Self - Host | 8 |
| TV Show | 1975 | Saturday Night Live | Self - Host | 1 |
| TV Show | 1978 | An Audience with... | Self | 1 |
| TV Show | 1962 | The Tonight Show Starring Johnny Carson | Self | 1 |
| TV Show | 1990 | Have I Got News for You | Self | 2 |
| TV Show | 1990 | The Best of What's Left of Not Only But Also | | 6 |
| TV Show | 1992 | Gone to Seed | Wesley Willis | 6 |
| TV Show | 1968 | The Dick Cavett Show | Self - Guest | 4 |
| TV Show | 1961 | The Mike Douglas Show | Self | 1 |
| TV Show | 1982 | The Comic Strip Presents... | Mr. Jolly | 2 |
| TV Show | 1988 | Whose Line Is It Anyway? | Self | 1 |
| TV Show | 1991 | Roger Mellie: The Man On The Telly | Roger Mellie | 4 |
| TV Show | 1967 | Omnibus | Self (archive footage) | 1 |
| TV Show | 1967 | A Series of Bird's | | 1 |
