| movie | Alien: Romulus (2024)As Rook (Facial and Vocal Reference) | (Not seen) |
| tv | Saimdang, Memoir of Colors (2017) (AKA "사임당, 빛의 일기")As Narrator (voice) | (Not seen) |
| movie | The Hobbit: The Battle of the Five Armies (2014)As Old Bilbo | (Not seen) |
| movie | The Hobbit: An Unexpected Journey (2012)As Old Bilbo | (Not seen) |
| tv | Fresh Meat (2011)As Patrick | (Not seen) |
| movie | Ratatouille (2007)As Skinner (voice) | (Not seen) |
| movie | Renaissance (2006)As Jonas Muller | (Not seen) |
| movie | Strangers with Candy (2005)As Dr. Putney | (Not seen) |
| movie | Chromophobia (2005)As Edward Aylesbury | (Not seen) |
| movie | Lord of War (2005)As Simeon Weisz | (Not seen) |
| movie | The Aviator (2004) (AKA "Aviator")As Professor Fitz | (Not seen) |
| movie | Garden State (2004) (AKA "Large")As Gideon Largeman | (Not seen) |
| movie | The Day After Tomorrow (2004) (AKA "Tomorrow")As Terry Rapson | (Not seen) |
| tv | Peep Show (2003)As Squealer (voice) | (Not seen) |
| movie | The Lord of the Rings: The Return of the King (2003)As Bilbo | (Not seen) |
| movie | The Emperor's New Clothes (2001)As Napoleon Bonaparte / Sergeant Eugene Lenormand | (Not seen) |
| movie | From Hell (2001) (AKA "Jack")As Sir William Gull | (Not seen) |
| movie | The Lord of the Rings: The Fellowship of the Ring (2001) (AKA "The Fellowship of the Ring")As Bilbo | (Not seen) |
| movie | The Holocaust on Trial (2000) | (Not seen) |
| movie | Bless the Child (2000)As Reverend Grissom | (Not seen) |
| movie | eXistenZ (1999)As Kiri Vinokur | (Not seen) |
| movie | Clay Pigeons (1998) (AKA "Moonlight Drive") | (Not seen) |
| movie | The Sweet Hereafter (1997)As Mitchell Stephens | (Not seen) |
| movie | A Life Less Ordinary (1997)As Mr. Naville | (Not seen) |
| movie | The Fifth Element (1997)As Father Vito Cornelius | (Not seen) |
| movie | The Madness of King George (1994)As Dr. Willis | (Not seen) |
| movie | Frankenstein (1994) (AKA "Mary Shelley's Frankenstein")As Baron Frankenstein | (Not seen) |
| movie | The Advocate (1993) (AKA "The Hour of the Pig")As Albertus | (Not seen) |
| movie | Kafka (1991)As Dr. Murnau | (Not seen) |
| movie | Naked Lunch (1991)As Tom Frost | (Not seen) |
| movie | Hamlet (1990)As Polonius | (Not seen) |
| movie | Henry V (1989)As Captain Fluellen | (Not seen) |
| movie | Another Woman (1988)As Ken | (Not seen) |
| movie | Dance with a Stranger (1985)As Desmond Cussen | (Not seen) |
| movie | Dreamchild (1985)As Reverend Charles L. Dodgson / Lewis Carroll | (Not seen) |
| movie | Brazil (1985) (AKA "1984 and 1/2")As Mr. M. Kurtzmann | (Not seen) |
| movie | Greystoke: The Legend of Tarzan, Lord of the Apes (1984)As Capitaine Phillippe D'Arnot | (Not seen) |
| movie | Chariots of Fire (1981)As Sam Mussabini | (Not seen) |
| movie | Time Bandits (1981)As Napoleon | (Not seen) |
| movie | S.O.S. Titanic (1979)As J. Bruce Ismay | (Not seen) |
| movie | Alien (1979)As Ash | (Not seen) |
| movie | The Thief of Baghdad (1978)As The Gatekeeper | (Not seen) |
| movie | The Man in the Iron Mask (1977)As Duval | (Not seen) |
| movie | Robin and Marian (1976)As King John | (Not seen) |
| movie | Juggernaut (1974) (AKA "Terror on the Britannic")As Nicholas Porter | (Not seen) |
| movie | Mary, Queen of Scots (1971)As David Riccio | (Not seen) |
| movie | Nicholas and Alexandra (1971)As Yakovlev | (Not seen) |
| movie | Oh! What a Lovely War (1969)As President Poincare | (Not seen) |