| 2026 | Avengers: Doomsday | Magneto | ★ 0.0 |
| 2025 | Dragged Through Time | | ★ 0.0 |
| 2025 | Ken Dodd: A Legacy of Happiness | | ★ 0.0 |
| 2024 | The Critic | Jimmy Erskine | ★ 5.7 |
| 2024 | Dragfox | Ginger Snap the Fox (Speaking) | ★ 0.0 |
| 2024 | The Real Ken Dodd: The Man I Loved | | ★ 0.0 |
| 2024 | The Life and Death of Lily Savage | Self | ★ 7.0 |
| 2024 | Hamlet | Hamlet | ★ 7.8 |
| 2023 | The One Note Man | Narrator (voice) | ★ 7.0 |
| 2022 | Quintessentially British | Self | ★ 3.8 |
| 2022 | Freedom: 50 Years of Pride | Self | ★ 8.0 |
| 2022 | Hamlet Within | | ★ 0.0 |
| 2021 | Hating Peter Tatchell | Self | ★ 4.2 |
| 2021 | Infinity - Unbekannte Dimension | Dr. Charles Marland-White | ★ 5.4 |
| 2020 | Ian McKellen on Stage: With Tolkien, Shakespeare, Others and YOU | | ★ 6.0 |
| 2020 | Du Fu: China's Greatest Poet | | ★ 10.0 |
| 2019 | Cats | Gus, the Theatre Cat | ★ 4.1 |
| 2019 | The Good Liar: Das alte Böse | Roy Courtnay | ★ 6.7 |
| 2019 | On Broadway | Self | ★ 8.7 |
| 2018 | All Is True | Earl of Southampton | ★ 6.1 |
| 2018 | National Theatre Live: King Lear | King Lear | ★ 8.2 |
| 2018 | McKellen: Playing the Part | Himself | ★ 7.2 |
| 2017 | Ein tierischer Zirkus | Horatio P. Huntington (voice) | ★ 6.2 |
| 2017 | The Paul O'Grady Story | Self | ★ 8.3 |
| 2017 | How a Kite Flies | Mr. Kite (voice) | ★ 0.0 |
| 2017 | Die Schöne und das Biest | Cogsworth | ★ 7.0 |
| 2017 | The Untold Tales of Armistead Maupin | Self | ★ 6.6 |
| 2017 | Edmund the Magnificent | Self - Narrator (voice) | ★ 7.2 |
| 2016 | Judi Dench: All the World's Her Stage | Self | ★ 7.8 |
| 2016 | National Theatre Live: No Man's Land | Spooner | ★ 7.8 |
| 2016 | Play the Devil: Making Richard III | | ★ 0.0 |
| 2016 | Shakespeare on Film | | ★ 6.0 |
| 2016 | Shakespeare on Stage, Screen and Elsewhere with Ian McKellen | | ★ 6.0 |
| 2016 | All the World's a Screen: Shakespeare on Film | Prospero's Speech Reader (voice) | ★ 0.0 |
| 2016 | Shakespeare Live! From the RSC | Self - Performer | ★ 7.5 |
| 2016 | The Roof | And Even Yet Another Fan | ★ 6.3 |
| 2015 | Knights of Classic Drama at the BBC | Self (archive footage) | ★ 0.0 |
| 2015 | The Dresser | Norman | ★ 6.2 |
| 2015 | Mr. Holmes | Sherlock Holmes | ★ 6.5 |
| 2014 | Der Hobbit - Die Schlacht der fünf Heere | Gandalf the Grey | ★ 7.3 |
| 2014 | Nelson Mandela Redrawn | Self | ★ 0.0 |
| 2014 | X-Men: Zukunft ist Vergangenheit | Magneto | ★ 7.5 |
| 2014 | Miss in Her Teens | The Prologue | ★ 3.0 |
| 2013 | Der Hobbit - Smaugs Einöde | Gandalf the Grey | ★ 7.6 |
| 2013 | The Wolverine: Path of a Ronin | Self | ★ 6.8 |
| 2013 | The Five(ish) Doctors Reboot | Self | ★ 7.9 |
| 2013 | Muse of Fire | Self | ★ 6.5 |
| 2013 | Wolverine - Weg des Kriegers | Erik Lehnsherr / Magneto (uncredited) | ★ 6.4 |
| 2013 | The Egg Trick | Magician | ★ 6.0 |
| 2012 | Doctor Who: Die Schneemänner | The Great Intelligence (voice) | ★ 7.7 |
| 2012 | Der Hobbit - Eine unerwartete Reise | Gandalf the Grey | ★ 7.4 |
| 2012 | London 2012: Paralympics Opening Ceremony | Self | ★ 7.5 |
| 2011 | Looking for Lowry | Himself | ★ 0.0 |
| 2011 | The Betty Driver Story | Self | ★ 10.0 |
| 2010 | Lady Grey London | | ★ 7.0 |
| 2010 | Small-Time Revolutionary | Hamish Miller (voice) | ★ 4.0 |
| 2010 | A Lost and Found Box of Human Sensation | Narrator (voice) | ★ 7.0 |
| 2010 | Never Sleep Again: The Elm Street Legacy | Self (archive footage) | ★ 7.8 |
| 2009 | Theatreland | Himself | ★ 0.0 |
| 2008 | King Lear | King Lear | ★ 6.7 |
| 2007 | Der goldene Kompass | Iorek Byrnison (voice) | ★ 6.1 |
| 2007 | Der Sternwanderer | Narrator (voice) | ★ 7.3 |
| 2007 | The Art of Breaking Character | Self | ★ 0.0 |
| 2007 | For the Love of God | The Jackdaw | ★ 4.0 |
| 2006 | Flutsch und weg | The Toad (voice) | ★ 6.3 |
| 2006 | X-Men: Der letzte Widerstand | Erik Lehnsherr / Magneto | ★ 6.4 |
| 2006 | The Da Vinci Code - Sakrileg | Sir Leigh Teabing | ★ 6.7 |
| 2006 | Saint of 9/11 | Narrator | ★ 5.7 |
| 2006 | Doogal | Zebedee (voice) | ★ 5.0 |
| 2005 | Neverwas | Gabriel Finch | ★ 6.3 |
| 2005 | Stellas Versuchung | Dr. Peter Cleave | ★ 5.8 |
| 2005 | The Hobart Shakespeareans | Himself | ★ 4.0 |
| 2005 | Ringers: Lord of the Fans | Self | ★ 6.3 |
| 2005 | Eighteen | Jason Anders (voice) | ★ 4.5 |
| 2004 | A Filmmaker's Journey: Making 'The Return of the King' | Self | ★ 6.0 |
| 2004 | The Magic Roundabout | Zebedee (voice) | ★ 5.4 |
| 2004 | Frodo Is Great... Who Is That?!! | Self | ★ 6.7 |
| 2004 | The Making of the Return of the King | Self | ★ 8.8 |
| 2004 | Peter Tatchell: Just Who Does He Think He Is? | | ★ 0.0 |
| 2003 | The Quest Fulfilled: A Director's Vision | Self | ★ 6.4 |
| 2003 | Der Herr der Ringe - Die Rückkehr des Königs | Gandalf | ★ 8.5 |
| 2003 | National Geographic - Beyond the Movie: The Return of the King | Self | ★ 8.3 |
| 2003 | The Second Uncanny Issue of X-Men - Making X2 | | ★ 8.0 |
| 2003 | X-Men 2 | Eric Lehnsherr / Magneto | ★ 7.0 |
| 2003 | The Making of The Two Towers | | ★ 8.8 |
| 2003 | Evolution X - The Making of X-Men | | ★ 7.0 |
| 2003 | X-Men: Premieres Around the World | Self | ★ 5.9 |
| 2003 | Émile | Emile | ★ 5.9 |
| 2003 | Film Collectibles: Capturing Movie Memories | Self | ★ 8.5 |
| 2002 | Der Herr der Ringe - Die zwei Türme | Gandalf | ★ 8.4 |
| 2002 | Lord of the Piercing | Gandalf the Grey (archive footage) | ★ 6.5 |
| 2001 | National Geographic - Beyond the Movie: Der Herr der Ringe | Self | ★ 6.5 |
| 2001 | Der Herr der Ringe - Die Gefährten | Gandalf | ★ 8.4 |
| 2001 | A Passage to Middle-Earth: Making of 'Lord of the Rings' | Self | ★ 7.8 |
| 2001 | Quest for the Ring | Self | ★ 5.6 |
| 2001 | Larry & Vivien: The Oliviers in Love | Narrator (voice) | ★ 0.0 |
| 2000 | Jetzt siehst Du ihn! | Self | ★ 6.2 |
| 2000 | X-Men | Magneto | ★ 7.0 |
| 2000 | X-Men: The Mutant Watch | Self - 'Magneto' | ★ 7.0 |
| 2000 | Cirque du Soleil: Journey of Man | Narrator (voice) | ★ 7.1 |
| 1999 | The World of Gods and Monsters: A Journey with James Whale | Self | ★ 6.0 |
| 1998 | Der Musterschüler | Kurt Dussander | ★ 6.5 |
| 1998 | Gods and Monsters | James Whale | ★ 7.0 |
| 1998 | Amy Foster - Im Meer der Gefühle | Dr. James Kennedy | ★ 6.5 |
| 1997 | Bent | Uncle Freddie | ★ 6.9 |
| 1997 | Surviving Friendly Fire | | ★ 1.0 |
| 1997 | A Bit Of Scarlet | Narrator | ★ 4.6 |
| 1996 | An Evening with Lily Savage | Self | ★ 0.0 |
| 1996 | Rasputin | Tsar Nicholas II | ★ 6.5 |
| 1995 | Richard III | Richard III | ★ 6.7 |
| 1995 | Restoration - Zeit der Sinnlichkeit | Will Gates | ★ 6.0 |
| 1995 | Jack und Sarah - Daddy im Alleingang | William | ★ 6.7 |
| 1995 | Cold Comfort Farm | Amos Starkadder | ★ 6.7 |
| 1994 | To Die For | Quilt Documentary Narrator (voice) | ★ 2.2 |
| 1994 | Stonewall 25: Global Voices of Pride and Protest | | ★ 0.0 |
| 1994 | Shadow und der Fluch des Khan | Dr. Reinhardt Lane | ★ 6.1 |
| 1994 | David Macaulay: Roman City | Augustus Caesar (voice) | ★ 9.0 |
| 1994 | Geht’s hier nach Hollywood? | John Earl McAlpine | ★ 5.6 |
| 1993 | Camp Christmas | | ★ 3.5 |
| 1993 | Das Leben - Ein Sechserpack | Geoffrey | ★ 6.4 |
| 1993 | ...und das Leben geht weiter | Bill Kraus | ★ 6.5 |
| 1993 | Little Jo - Eine Frau unter Wölfen | Percy Corcoran | ★ 5.9 |
| 1993 | Armistead Maupin Is a Man I Dreamt Up | Narration (voice) | ★ 0.0 |
| 1993 | Last Action Hero | Death | ★ 6.5 |
| 1992 | Gladio | Aldo Moro (voice) | ★ 7.0 |
| 1990 | Othello | Iago | ★ 7.0 |
| 1989 | Countdown to War | Adolf Hitler | ★ 5.0 |
| 1989 | Scandal | John Profumo | ★ 5.9 |
| 1988 | Scarfe's Follies | | ★ 0.0 |
| 1987 | Süleyman the Magnificent | Narrator | ★ 0.0 |
| 1985 | Zina | Kronfeld | ★ 5.4 |
| 1985 | Eine demanzipierte Frau | Sir Andrew Charleson | ★ 5.7 |
| 1983 | Die unheimliche Macht | Dr. Theodore Cuza | ★ 5.7 |
| 1983 | Walter and June | Walter | ★ 7.0 |
| 1982 | Das scharlachrote Siegel | Chauvelin | ★ 6.9 |
| 1982 | Walter | Walter | ★ 5.3 |
| 1982 | Ian McKellen: Acting Shakespeare | | ★ 0.0 |
| 1981 | Priest of Love | D.H. Lawrence | ★ 5.0 |
| 1979 | Every Good Boy Deserves Favour | Alexander Ivanov | ★ 0.0 |
| 1979 | A Performance of Macbeth | Macbeth | ★ 7.3 |
| 1972 | Hedda Gabler | George Tesman | ★ 0.0 |
| 1970 | Hamlet | Hamlet | ★ 0.0 |
| 1970 | Edward II | King Edward | ★ 4.8 |
| 1970 | The Tragedy of King Richard II | King Richard II | ★ 0.0 |
| Richard II | Richard II | ★ 0.0 |
| Schadenfreude | Continuity Announcer | ★ 0.0 |
| Untitled Anthony Hopkins Documentary | Self | ★ 0.0 |
| The Christophers | | ★ 0.0 |
| 1969 | The Promise | | ★ 0.0 |
| 1969 | Alfred der Große - Bezwinger der Wikinger | Roger | ★ 4.3 |
| 1969 | A Touch of Love | George | ★ 6.4 |
| 1965 | The Trial and Torture of Sir John Rampayne | Wolf | ★ 0.0 |
