| 2025 | The Toxic Avenger Unrated | Kissy Sturnevan, his Associate | Film |
| 2022 | My Massive Cock | Narrator | Film |
| 2021 | Sing 2 | Linda Le Bon (voice) | Film |
| 2021 | A Very British Scandal | Maureen Guinness | TV |
| 2019 | Fighting with My Family | Daphne | Film |
| 2017 | Brakes | Livy | Film |
| 2017 | Phantom Thread | Lady Baltimore | Film |
| 2012 | Hunderby | Dorothy | TV |
| 2012 | Top Priority: The Terror Within | Self | Film |
| 2012 | Hunderby | Writer | TV |
| 2012 | Top Priority: The Terror Within | Writer | Film |
| 2012 | Top Priority: The Terror Within | Producer | Film |
| 2010 | The Mighty Boosh: Journey of the Childmen | Herself | Film |
| 2010 | Cemetery Junction | Mrs. Taylor | Film |
| 2010 | Four Lions | Alice | Film |
| 2010 | Come on Eileen | Dee | Film |
| 2009 | Steve Coogan: The Inside Story | Self | Film |
| 2009 | Steve Coogan: The Inside Story | Writer | Film |
| 2007 | Persuasion | Elizabeth Elliot | Film |
| 2007 | Gavin & Stacey | Dawn Sutcliffe | TV |
| 2006 | Confetti | Counsellor | Film |
| 2006 | Born Equal | Sally | Film |
| 2006 | The Secret Policeman's Ball: The Ball in the Hall | Self | Film |
| 2006 | Fear of Fanny | Fanny Cradock | Film |
| 2006 | Forget About It | Writer | Film |
| 2004 | I Am Not an Animal | Claire the Rat (voice) | TV |
| 2004 | AD/BC: A Rock Opera | Ruth | Film |
| 2004 | Nighty Night | Jill Tyrrell | TV |
| 2004 | Sex Lives of the Potato Men | Shelley | Film |
| 2004 | Nighty Night | Producer | TV |
| 2003 | Hello, Friend | (voice) | Film |
| 2002 | Power Play | LAPD Officer | Film |
| 2002 | Wilbur Wants to Kill Himself | Moira | Film |
| 2001 | The Parole Officer | Insinuating Wife | Film |
| 2001 | L.A.P.D.: To Protect And To Serve | Writer | Film |
| 2001 | L.A.P.D.: To Protect And To Serve | Producer | Film |
| 2000 | Jam | Various | TV |
| 2000 | Human Remains | Various Characters | TV |
| 1999 | Steve Coogan: The Man Who Thinks He's It | | Film |
| 1998 | Armstrong | Nun | Film |
| 1998 | Armstrong | Line Producer | Film |