| 2027 | Rose's Baby | Dr. Abaras |
| 2026 | Wildwood | (voice) |
| Savage House | Sir Chauncey Savage |
| Ladies First | — |
| Wicker | Doctor |
| 2025 | 100 Đêm của Hero | Birdman |
| Nuremberg: Phiên Tòa Lịch Sử | Sir David Maxwell-Fyfe |
| Câu lạc bộ án mạng ngày thứ Năm | Bobby Tanner |
| Cái Chết Của Kỳ Lân | Odell |
| 2024 | Doctor Who at the Proms | The Doctor (archive footage) |
| Argylle: Siêu Điệp Viên | Director Fowler |
| 2023 | Dinh Thự Saltburn | Sir James Catton |
| The Lesson | J.M. Sinclair |
| The Coronation Concert | Self |
| 2022 | A Royal Grand Design | Host |
| Thuyết Phục | Sir Walter Elliot |
| 2021 | An Audience with Adele | Self |
| Marvel Studios' 2021 Disney+ Day Special | Classic Loki (archive footage) |
| The Spine of Night | The Guardian (voice) |
| Robin Robin | Magpie (voice) |
| Attack of the Hollywood Clichés! | Self - Actor |
| Everybody's Talking About Jamie | Hugo Battersby / Loco Chanelle |
| Vệ Sĩ Sát Thủ 2: Nhà Có Nóc | Seifert |
| Agatha & Poirot: Partners in Crime | Self - Host |
| 2020 | Ben Platt: Live from Radio City Music Hall | Self |
| The Skywalker Legacy | Self |
| 2019 | Chiến Tranh Giữa Các Vì Sao: Phần IX - Skywalker Trỗi Dậy | Allegiant General Pryde |
| Master Moley by Royal Invitation | The Gardener (voice) |
| Palm Beach | Billy |
| An Accidental Studio | Self |
| The Space: Theatre of Survival | as Self |
| 7 Up & Me | Self |
| 2018 | Kẹp Hạt Dẻ và Bốn Vương Quốc | Shiver |
| Can You Ever Forgive Me? | Jack Hock |
| 2017 | Vệ Sĩ Sát Thủ | Seifert |
| Making 'Logan' | Self |
| X-Men 9: Logan - Trận Chiến Cuối Cùng | Dr. Rice |
| Their Finest | Roger Swain |
| 2016 | The Last Dragonslayer | Dragon (voice) |
| Đệ Nhất Phu Nhân | Bill Walton |
| 2015 | Wellington: The Iron Duke Unmasked | The Duke of Wellington |
| The Secret World of Lewis Carroll | Himself - Actor |
| Teeth | — |
| Queen & Country | Major Cross |
| The Gospel of Luke | Narrator (voice) – New International Version |
| 2014 | Dirty Weekenders in France | Self - Presenter |
| 2013 | Dom Hemingway | Dickie Black |
| Hello: A Portrait Of Leslie Phillips | Self / Larry Oliphant |
| Đã Đến Lúc | Lawyer in Play (uncredited) |
| Chú Ngựa Khumba | Bradley (voice) |
| 2012 | Doctor Who: The Snowmen | Dr. Walter Simeon |
| The Wildebeest Migration: Nature's Greatest Journey | Narrator |
| For No Good Reason | Self |
| Kath & Kimderella | Alain the Page |
| Zambezia: Thành Phố Các Loài Chim | Cecil (voice) |
| Words of the Titanic | Reader |
| Cherrywood Cannon | (Voice) |
| 2011 | Bà Đầm Thép | Michael Heseltine |
| How to Stop Being a Loser | Ian |
| Horrid Henry: The Movie | Vic Van Wrinkle |
| Sotto il vestito niente - L'ultima sfilata | Federico Marinoni |
| Foster | Mr. Potts |
| 2010 | Cuckoo | Professor Julius Greengrass |
| The Nutcracker | Father |
| First Night | Adam |
| Jackboots on Whitehall | The Vicar (voice) |
| The Man Who Married Himself | Olivier |
| 2009 | Victoria Wood: Seen on TV | — |
| Love Hurts | Ben Bingham |
| 2008 | Filth and Wisdom | Prof Flynn |
| Garden of Eden | Colonel Philip Boyle |
| 2007 | Penelope | Franklin Wilhern |
| Elementary My Dear Viewer | Self - Presenter |
| The Blood Is the Life: The Making of 'Bram Stoker's Dracula' | Self (archive footage) |
| Always Crashing in the Same Car | James Booth |
| 2006 | The Secret Policeman's Ball: The Ball in the Hall | Self |
| Garfield: Hai Chú Mèo Siêu Quậy | Preston (voice) |
| Pulp: The Story of Common People | Narrator |
| 2005 | The Story of 'Fairytale of New York' | Narrator |
| Colour Me Kubrick | Jasper |
| Cô Dâu Ma | Barkis Bittern (voice) |
| 2004 | The Story of Bohemian Rhapsody | Narrator (voice) |
| The Story of an African Farm | Bonaparte Blenkins |
| Tooth | Jarvis Jarvis |
| 2003 | Bright Young Things | Father Rothschild |
| Monsieur N. | Hudson Lowe |
| 2002 | The Hound of the Baskervilles | Jack Stapleton |
| Sherlock: Case of Evil | Mycroft |
| The Making of Gosford Park | Self |
| Robert Altman in England | Himself |
| 2001 | Gosford Park | George |
| Hildegarde | Wolf |
| Strictly Sinatra | Himself |
| 2000 | Victoria Wood with All the Trimmings | Various Characters |
| The Little Vampire | Frederick Sackville-Bagg |
| The Miracle Maker | John The Baptist (voice) |
| Victoria's Secrets | Self |
| 1999 | A Christmas Carol | Bob Cratchit |
| The Match | Gorgeous Gus |
| Withnail and Us | Self |
| The Peculiar Memories of Bruce Robinson | Self |
| Doctor Who: The Curse of Fatal Death | The Quite Handsome Doctor |
| I Demand to Have Some Booze! | Self |
| 1998 | St. Ives | Major Farquhar Chevening |
| Cash in Hand | Sir Harry Parkins |
| 1997 | Spice World | Clifford |
| Keep the Aspidistra Flying | Gordon Comstock |
| Food of Love | Alex Salmon |
| A Royal Scandal | George, Prince of Wales |
| An Audience with Elton John | Self |
| Treasure Island | Long John Silver |
| The Serpent's Kiss | James Fitzmaurice |
| Portrait: Jane Campion and The Portrait of a Lady | Self |
| 1996 | An Evening with Lily Savage | Self - Audience Member |
| Twelfth Night | Sir Andrew Aguecheek |
| The Portrait of a Lady | Lord Warburton |
| Vem Var Dracula | Self |
| The Cold Light of Day | Viktor Marek |
| 1995 | Bed | Nurse/Bed Head |
| Jack & Sarah | Jack |
| Empire of the Censors | Self - Host |
| 1994 | Prêt-à-Porter | Cort Romney |
| Pink Floyd: The Story | Narrator (voice) |
| Hard Times | James Harthouse |
| Calliope | The Producer |
| Butter | Gerrard |
| 1993 | Thời Thơ Ngây | Lawrence "Larry" Lefferts |
| The Legends of Treasure Island | Long John Silver (voice) |
| Innocence and Experience: The Making of 'The Age of Innocence' | Self |
| Suddenly, Last Summer | George Holly |
| Franz Kafka's It's a Wonderful Life | Franz Kafka |
| 1992 | Dracula: Bá tước ma cà rồng | Dr. Jack Seward |
| The Other Side | Sherlock Holmes |
| The Player | Tom Oakley |
| 1991 | Hudson Hawk | Darwin Mayflower |
| L.A. Story | Roland Mackey |
| 1990 | Henry và June | Hugo Guiler |
| Mountains of the Moon | Oliphant |
| 1989 | Thieves in the Night | Joseph |
| Killing Dad (Or How to Love Your Mother) | Berg |
| Warlock | Giles Redferne |
| How to Get Ahead in Advertising | Denis Dimbleby Bagley |
| Here Is the News | David Dunhill |
| 1988 | Codename: Kyril | Laurence Sculby |
| 1987 | Hidden City | Brewster |
| Withnail & I | Withnail |
| 1986 | Honest Decent & True | Moonee Livingstone |