| 2026 | Uncle Odyssey | | Film |
| 2024 | Hammer: Heroes, Legends and Monsters | Self (archive footage) | Film |
| 2024 | Kill Sera Sera | Sun 'Allan' Ailun | TV |
| 2024 | Children of the Wicker Man | Self (archive footage) | Film |
| 2024 | The Lord of the Rings: The War of the Rohirrim | Saruman (voice) | Film |
| 2023 | The Wicker Man at 50 | Lord Summerisle | Film |
| 2019 | After the Stars | | TV |
| 2018 | Doppelganger | Yang Liwei / Li Ruiming | TV |
| 2018 | Ultramechatron Team Go!: The Web Series | Ultramechatron | TV |
| 2017 | Who Killed Cock Robin | Chiu Ching-Kai | Film |
| 2014 | Against the Tide | Di Shen | TV |
| 2014 | The Hobbit: The Battle of the Five Armies | Saruman the White | Film |
| 2013 | The Gillian Hills Trilogy | | Film |
| 2013 | Necessary Evil: Super-Villains of DC Comics | Narrator | Film |
| 2013 | Night Train to Lisbon | Father Bartholomeu | Film |
| 2013 | The Girl from Nagasaki | Old Officer Pinkerton | Film |
| 2012 | The Hobbit: An Unexpected Journey | Saruman the White | Film |
| 2012 | Dark Shadows | Clarney | Film |
| 2012 | Everything or Nothing | Self | Film |
| 2012 | The Fall of the House Of Usher | The Narrator | Film |
| 2011 | Hugo | Monsieur Labisse | Film |
| 2011 | Season of the Witch | Cardinal D'Ambroise | Film |
| 2011 | The Resident | August | Film |
| 2011 | The Wicker Tree | Old Man | Film |
| 2010 | Kidnapper | Ah Huat | Film |
| 2010 | Burke & Hare | Old Joseph | Film |
| 2010 | Boogie Woogie | Mr. Alfred Rhinegold | Film |
| 2010 | The Heavy | Mr. Mason | Film |
| 2010 | Alice in Wonderland | Jabberwocky (voice) | Film |
| 2009 | The Wedding Game | Jack Fong | Film |
| 2009 | Glorious 39 | Older Walter Page | Film |
| 2009 | Triage | Joaquín Morales | Film |
| 2008 | Beach.Ball.Babes | Ma Tianwu | TV |
| 2008 | A Mobile Love Story | | TV |
| 2008 | Rhythm of Life | Li Junjie | TV |
| 2008 | The Colour of Magic | Death | TV |
| 2008 | The Color of Magic - Die Reise des Zauberers Teil 1 | Death (synchro) | Film |
| 2008 | The Color of Magic - Die Reise des Zauberers Teil 2 | Death (synchro) | Film |
| 2007 | Amazon Trek: In Search of Vanishing Secrets | Narrator | Film |
| 2007 | The Golden Compass | First High Councilor | Film |
| 2007 | Hollywood Chinese | Self | Film |
| 2006 | Witch's Dungeon: 40 Years of Chills | Self | Film |
| 2006 | Walker Payne | Stu | Film |
| 2005 | Pope John Paul II | Kardinal Stefan Wyszyński | TV |
| 2005 | The Adventures of Greyfriars Bobby | The Lord Provost | Film |
| 2005 | Charlie and the Chocolate Factory | Dr. Wonka | Film |
| 2005 | Star Wars: Episode III - Revenge of the Sith | Count Dooku | Film |
| 2005 | Corpse Bride | Pastor Galswells (voice) | Film |
| 2004 | Crimson Rivers II: Angels of the Apocalypse | Emerich | Film |
| 2003 | Beyond the Movie: The Return of the King | Self | Film |
| 2002 | The Lord of the Rings - The Appendices Part 2: From Vision to Reality | Self | Film |
| 2002 | The Lord of the Rings - The Appendices Part 1: From Book to Vision | Self | Film |
| 2002 | The Fellowship of the Ring: From Book to Script | Self | Film |
| 2002 | The Fellowship of the Ring: The Fellowship of the Cast | Self | Film |
| 2002 | The Fellowship of the Ring: Cameras in Middle-earth | Self | Film |
| 2002 | The Lord of the Rings: The Two Towers | Saruman | Film |
| 2002 | The Fellowship of the Ring: Designing and Building Middle-earth + Weta Workshop + Costume Design | Self | Film |
| 2002 | Star Wars: Episode II - Attack of the Clones | Count Dooku | Film |
| 2002 | From Puppets to Pixels: Digital Characters in 'Episode II' | Self / Count Dooku | Film |
| 2001 | James Dean | 'Eden' Assistant Director | Film |
| 2001 | Passage to Middle-Earth: The Making of 'The Lord of the Rings' | Self | Film |
| 2001 | Madam White Snake | Xu Xian, Xu Shilin, Lord Wu | TV |
| 2001 | R2-D2: Beneath the Dome | Self | Film |
| 2001 | Master Swordsman Lu Xiaofeng | | TV |
| 2001 | The Wicker Man Enigma | Himself | Film |
| 2001 | Burnt Offering: The Cult of The Wicker Man | | Film |
| 2001 | The Lord of the Rings: The Fellowship of the Ring | Saruman | Film |
| 2001 | Beyond the Movie: The Fellowship of the Ring | Self | Film |
| 2000 | Gormenghast | Flay | TV |
| 1999 | The Adventures of Young Indiana Jones: Adventures in the Secret Service | Count Ottokar Graf Czernin | Film |
| 1999 | Sleepy Hollow | Burgomaster | Film |
| 1998 | The Return of the Condor Heroes | Yang Guo | TV |
| 1998 | Russell Mulcahy’s Tale of the Mummy | Sir Richard Turkel | Film |
| 1998 | Jinnah | Muhammad Ali Jinnah | Film |
| 1998 | Ex-S: The Wicker Man | Self | Film |
| 1997 | Soul Music | Death (voice) | Film |
| 1997 | The Odyssey | Tiresias | TV |
| 1996 | 100 Years of Horror | Self - Host | TV |
| 1996 | The Stupids | Evil Sender | Film |
| 1996 | A Century of Science Fiction | Narrator (voice) | Film |