| Movie | 1999 | Inspector Gadget | Sanford Scolex / Dr. Claw | |
| Movie | 2005 | The Chronicles of Narnia: The Lion, the Witch and the Wardrobe | Mr. Fox (voice) | |
| Movie | 1999 | A Midsummer Night's Dream | Oberon | |
| Movie | 2004 | Shrek 2 | Prince Charming (voice) | |
| Movie | 2007 | Shrek the Third | Prince Charming (voice) | |
| Movie | 2000 | The Next Best Thing | Robert Whittaker | |
| Movie | 1998 | Shakespeare in Love | Christopher Marlowe | |
| Movie | 1994 | Prêt-à-Porter | Jack Lowenthal | |
| Movie | 2007 | St Trinian's | Camilla Fritton / Carnaby Fritton | |
| Movie | 1999 | B. Monkey | Paul Neville | |
| Movie | 1994 | Cemetery Man | Francesco Dellamorte | |
| Movie | 1994 | The Madness of King George | Prince of Wales | |
| Movie | 1999 | An Ideal Husband | Lord Arthur Goring | |
| Movie | 1984 | Another Country | Guy Bennett | |
| Movie | 1997 | My Best Friend's Wedding | George Downes | |
| Movie | 2002 | The Importance of Being Earnest | Algernon “Algy” Moncrieff | |
| Movie | 1985 | Dance with a Stranger | David Blakeley | |
| Movie | 2025 | Juliet & Romeo | Lord Capulet | |
| Movie | N/A | Lost and Found in Paris | | |
| Movie | 1990 | The Comfort of Strangers | Colin | |
| Movie | 2009 | St Trinian's 2: The Legend of Fritton's Gold | Camilla Fritton / Captain Archibald Fritton / Fortnam Fritton | |
| Movie | 2004 | Sherlock Holmes and the Case of the Silk Stocking | Sherlock Holmes | |
| Movie | 2010 | Wild Target | Ferguson | |
| Movie | 2002 | Unconditional Love | Dirk Simpson | |
| Movie | 2005 | Separate Lies | Bill Bule | |
| Movie | 1996 | Dunston Checks In | Lord Rutledge | |
| Movie | 2000 | Paragraph 175 | Narrator (voice) | |
| Movie | 2004 | People - Jet set 2 | Charles de Poulignac | |
| Movie | 2004 | A Different Loyalty | Leo Cauffield | |
| Movie | 2016 | There's Something About Romcoms | Self | |
| Movie | 2023 | Mad About the Boy: The Noël Coward Story | Noël Coward (voice) | |
| Movie | 1986 | Duet for One | Constantine Kassanis | |
| Movie | 2001 | South Kensington | Nick | |
| Movie | 2011 | Hysteria | Lord Edmund St. John-Smythe | |
| Movie | 1987 | Hearts of Fire | James Colt | |
| Movie | 2013 | Justin and the Knights of Valour | Sota (voice) | |
| Movie | 2006 | Quiet Flows The Don | Grigory | |
| Movie | 1985 | Arthur the King | Lancelot | |
| Movie | 1987 | Chronicle of a Death Foretold | Bayardo San Roman | |
| Movie | 1992 | Inside Monkey Zetterland | Sasha | |
| Movie | 2002 | Forever Ealing | Self | |
| Movie | 1987 | The Right Hand Man | Lord Harry Ironminster | |
| Movie | 1982 | A Shocking Accident | Jerome Weathersby | |
| Movie | 2023 | Napoleon | Duke of Wellington | |
| Movie | 1984 | Real Life | Tim | |
| Movie | 2015 | A Royal Night Out | King George | |
| Movie | 2016 | Finding Altamira | Monseñor | |
| Movie | 2016 | Miss Peregrine's Home for Peculiar Children | Ornithologist | |
| Movie | 1994 | Remembrance of Things Fast: True Stories Visual Lies | | |
| Movie | N/A | Out Late | Edmond | |
| Movie | 1989 | Tolérance | Assuerus, aka Horace Walop | |
| Movie | N/A | The Temptation Of Gracie | | |
| Movie | 2007 | Stardust | Secundus | |
| Movie | 1987 | The Gold Rimmed Glasses | David Lattes | |
| Movie | 2013 | The Return | Journalist | |
| Movie | 1982 | Soft Targets | Boy at Party | |
| Movie | 2009 | Hi Society: The Wonderful World of Nicky Haslam | | |
| Movie | 2002 | The Wild Thornberrys Movie | Sloan Blackburn (voice) | |
| Movie | 2018 | The Happy Prince | Oscar Wilde | |
| Movie | 2017 | Love, Cecil | Narrator (voice) | |
| Movie | 2003 | To Kill a King | King Charles I | |
| Movie | 2004 | Stage Beauty | King Charles II | |
| Movie | 2017 | And the Winner Isn't | Self | |
| Movie | N/A | The Ivy | Narrator | |
| Movie | 1997 | Pierre and Gilles, Love Stories | Self | |
| Movie | 2017 | 50 Shades of Gay | | |
| Movie | 2014 | Rosenn | Lewis Lafoly | |
| Movie | 1994 | Shooting Angels | | |
| Movie | 2019 | The Warrior Queen of Jhansi | Sir Hugh Rose | |
| Movie | 2019 | Muse | Demon | |
| Movie | 2009 | The Scandalous Adventures of Lord Byron | | |
| Movie | 1983 | Dead on Time | Bank Customer/Blind Man | |
| Movie | 2011 | Shrek: Once Upon a Time | Self | |
| Movie | 2021 | Warning | Charlie | |
| Movie | N/A | Lead Heads | | |
| Movie | N/A | The Liar | Humphrey Biffen | |
| Movie | 2022 | My Policeman | Patrick | |
| Movie | 2022 | She Will | Tirador | |
| Movie | N/A | Madfabulous | | |
| Movie | 2025 | Judas' Gospel | Caiaphas | |
| Movie | 2008 | Victorian Sex Explorer | Narrator | |
| Movie | 1983 | The Bloody Chamber | | |
| Movie | N/A | The Light Fantastic | Reynolds | |
| Movie | 1987 | Getting to Dylan | Self | |
| Movie | 2025 | Legend Has It | Zhal | |
| TV Show | 1988 | This Morning | Self | 1 |
| TV Show | 2003 | The Ellen DeGeneres Show | Self | 1 |
| TV Show | 2005 | Graham Norton's Bigger Picture | | 1 |
| TV Show | 2003 | Jimmy Kimmel Live! | Self | 2 |
| TV Show | 2001 | Friday Night with Jonathan Ross | Self - Guest | 1 |
| TV Show | 1988 | LIVE with Kelly and Mark | | 2 |
| TV Show | 2005 | The Friday Night Project | Self - Guest Host | 1 |
| TV Show | 1997 | The View | Self | 2 |
| TV Show | 2003 | The Sharon Osbourne Show | | 1 |
| TV Show | 2001 | Richard & Judy | Self | 1 |
| TV Show | 2004 | Boston Legal | Malcolm Holmes | 1 |
| TV Show | 1970 | Play for Today | | 1 |
| TV Show | 2009 | Alan Carr: Chatty Man | Self | 1 |
| TV Show | 2002 | V Graham Norton | Self | 1 |
| TV Show | 1982 | Wogan | Self | 1 |
| TV Show | 2009 | Chris Moyles' Quiz Night | Self | 1 |
| TV Show | 2012 | Parade's End | Mark Tietjens | 5 |
| TV Show | 2011 | Black Mirror | Judge Hope | 1 |
| TV Show | 2014 | The Kumars | Self | 1 |
| TV Show | 2004 | Who Do You Think You Are? | Self | 1 |
| TV Show | 2014 | The Musketeers | Governor Feron | 10 |
| TV Show | 2007 | The Graham Norton Show | Self | 4 |
| TV Show | 1997 | Ruby | Self | 1 |
| TV Show | 2023 | Funny Woman | Brian Debehnam | 10 |
| TV Show | 1983 | Princess Daisy | Ram Valensky | 2 |
| TV Show | 2023 | Gray | Tagg | 8 |
| TV Show | 2017 | Quacks | Dr. Hendrick | 6 |
| TV Show | 2014 | Love for Sale with Rupert Everett | Narrator | 2 |
| TV Show | 2003 | Dangerous Liaisons | Vicomte Sébastien de Valmont | 3 |
| TV Show | 2012 | Rosamunde Pilcher: The Other Wife | Martin Kendall | 2 |
| TV Show | 2006 | Quiet Flows the Don | Grigory | 7 |
| TV Show | 2007 | Comic Relief Does The Apprentice | | 1 |
| TV Show | 2019 | The Name of the Rose | Bernardo Gui | 8 |
| TV Show | 2016 | John Bishop: In Conversation with... | Self | 1 |
| TV Show | 2020 | Adult Material | Carroll Quinn | 4 |
| TV Show | 1984 | The Far Pavilions | George Garforth | 1 |
| TV Show | 2020 | Emily in Paris | Giorgio Barbieri | 1 |
| TV Show | 1962 | The Late Late Show | Self | 2 |
| TV Show | 2005 | The Friday Night Project | Self - Host | 1 |
| TV Show | 1982 | The Agatha Christie Hour | Guy | 1 |
