| Movie | 2006 | The Secret Policeman's Ball: The Ball in the Hall | Self | |
| Movie | 2012 | The Timey-Wimey of Doctor Who | Self | |
| Movie | 2004 | Churchill: The Hollywood Years | Prime Minister | |
| Movie | 2020 | Bob Monkhouse: Master of Laughter | Narrator | |
| Movie | 2012 | The Women of Doctor Who | | |
| Movie | 2007 | Hitler: The Comedy Years | Tony Blair (archive footage) (uncredited) | |
| Movie | 2009 | Mock the Week - Too Hot For TV 2 | Self | |
| Movie | 2023 | Partygate | Boris Johnson | |
| Movie | 2010 | The One Ronnie | | |
| Movie | 2013 | The Five(ish) Doctors Reboot | Tom Baker (voice) | |
| Movie | 2020 | Kenneth Williams In His Own Words | Voice of Kenneth Williams | |
| Movie | 2005 | Comic Aid | | |
| Movie | 2008 | We Are Most Amused | Self | |
| Movie | 2022 | Stand by for Action!: Gerry Anderson in Concert | Host | |
| Movie | 2016 | Bob Monkhouse: The Last Stand | | |
| Movie | 2017 | Eric, Ernie and Me | Barry Cryer | |
| Movie | 2018 | Larry Grayson: Shut That Door! | Himself - Impressionist / Larry Grayson | |
| Movie | 2019 | The Queen's Corgi | Trump / Bernard St Bernard (voice) | |
| Movie | 2003 | The Story of Doctor Who | The Doctor | |
| Movie | 2020 | Jeepers Creepers | Michael Parkinson (voice) | |
| Movie | 2006 | Best Ever Spitting Image | Ant / Self | |
| Movie | 2002 | Doctor Who: Death Comes to Time | Golcrum / Senator Hawk / President | |
| Movie | 2024 | Lena Zavaroni: The Forgotten Child Star | Hughie Green, Cast of Lena, Edinburgh Fringe (uncredited) | |
| Movie | 2008 | Agent Crush | Piston Pete (voice) | |
| Movie | 2025 | Stand by for Action! 2– Tunes of Danger | Himself | |
| Movie | 2008 | Happy Birthday Brucie! | Self - Performer | |
| TV Show | 2004 | The Impressionable Jon Culshaw | | 6 |
| TV Show | 2004 | Hell's Kitchen | | 1 |
| TV Show | 1998 | Kiss Me Kate | | 1 |
| TV Show | 2003 | Comic Relief Does Fame Academy | | 40 |
| TV Show | 2006 | The One Show | Self - Guest | 1 |
| TV Show | 2001 | Friday Night with Jonathan Ross | Self | 1 |
| TV Show | 2001 | 2DTV | | 34 |
| TV Show | 2003 | The Terry and Gaby Show | | 2 |
| TV Show | 2004 | The Paul O'Grady Show | | 1 |
| TV Show | 1992 | Heartbeat | Harry Taylor | 1 |
| TV Show | 2000 | The Big Impression | | 19 |
| TV Show | 2008 | Commercial Breakdown | | 26 |
| TV Show | 2002 | Dead Ringers | | 40 |
| TV Show | 2008 | Headcases | | 8 |
| TV Show | 2007 | The Alan Titchmarsh Show | Self | 1 |
| TV Show | 2007 | Comedy Map of Britain | | 1 |
| TV Show | 2006 | Jon Culshaw's Commercial Breakdown | | 4 |
| TV Show | 2009 | The Impressions Show with Culshaw and Stephenson | | 20 |
| TV Show | 2010 | A Comedy Roast | | 1 |
| TV Show | 2009 | Horrible Histories | Additional Voices | 101 |
| TV Show | 2009 | Horrible Histories | | 3 |
| TV Show | 2006 | The One Show | Self | 3 |
| TV Show | 2007 | The Graham Norton Show | Self | 1 |
| TV Show | 1978 | An Audience with... | Self | 1 |
| TV Show | 2022 | Sunday with Laura Kuenssberg | Self – Comedian | 3 |
| TV Show | 1997 | Midsomer Murders | Bertram Jewell | 1 |
| TV Show | 1996 | Never Mind the Buzzcocks | Self - Team Member | 1 |
| TV Show | 2017 | Walks with My Dog | Self | 1 |
| TV Show | 2021 | The Weakest Link | Self - Participant | 1 |
| TV Show | 2011 | Celebrity Antiques Road Trip | Self - Participant | 1 |
| TV Show | 2009 | Let's Dance for Comic Relief | Self - Contestant | 1 |
| TV Show | 2010 | Let's Dance for Sport Relief | Self - Judge | 1 |
| TV Show | 2017 | Richard Osman's House of Games | Self - Contestant | 5 |
| TV Show | 2005 | Mock the Week | Self | 1 |
| TV Show | 2018 | Morecambe & Wise in America | Self | 1 |
| TV Show | 2003 | Little Britain | Andrew Lloyd Webber | 1 |
| TV Show | 2014 | Bruce's Hall of Fame | Self | 1 |
| TV Show | 1998 | Parkinson | Self | 2 |
| TV Show | 2016 | Top Gear: Extra Gear | Self | 1 |
| TV Show | 1988 | Countryfile | Self | 1 |
