 | TRON: Ares (2025) as Master Control Program (voice) (archival audio) |
 | Mary Poppins Returns (2018) as Admiral Boom |
 | Providence (2018) as Himself |
 | His Picture In Little (2018) |
 | You, Me and Him (2018) as Michael Miller |
 | Blue Borsalino (2016) as Ernie Child |
 | The Trial of Elizabeth Gadge (2015) as Sir Andrew Pike |
 | Amicus Vault of Horrors (2015) as Himself |
 | Star Trek: The Next Generation - Chain of Command (2014) |
 | Before I Sleep (2013) as Eugene Devlin |
 | A Thousand Kisses Deep (2012) as Max |
 | Passion & Poetry: Sam Peckinpah's War (2011) as Self |
 | TRON: The Next Day (2011) as Ed Dillinger / MCP |
 | Black Death (2010) as Abbot |
 | Albert's Memorial (2009) as Frank |
 | In Love with Barbara (2008) as Lord Mountbatten |
 | Hogfather (2007) as Lord Downey |
 | Perfect Parents (2006) as Father Thomas |
 | Sam Peckinpah: Portrait (2006) as Self |
 | Bacon's Arena (2006) as Narrator (voice) |
 | Mr. Loveday's Little Outing (2006) as Lord Moping |
 | Sweeney Todd (2006) as Fielding |
 | The League of Gentlemen's Apocalypse (2005) as Dr. Erasmus Pea |
 | Passion & Poetry: The Ballad of Sam Peckinpah (2005) as Self |
 | Ladies in Lavender (2004) as Dr Mead |
 | Cyber Wars (2004) as Joseph Lau |
 | Sam Peckinpah's West: Legacy of a Hollywood Renegade (2004) as Self (archive footage) |
 | Straight Into Darkness (2004) as Deacon |
 | Kiss of Life (2003) as Pap |
 | Dr. Jekyll and Mr. Hyde (2003) as Sir Danvers Carew |
 | Hearts of Gold (2003) as Dr. Theo John |
 | The Little Unicorn (2002) as Ted Regan |
 | The Code Conspiracy (2002) as Professor |
 | The Investigation (2002) as Superint. Bruce Northorp |
 | The Omen Legacy (2001) as Self |
 | Superstition (2001) as Judge Padovani |
 | Planet of the Apes (2001) as Sandar |
 | Hornblower: Retribution (2001) as Capt. James Sawyer |
 | Hornblower: Mutiny (2001) as Captain James Sawyer |
 | Back to the Secret Garden (2000) as Dr. Snodgrass |
 | Cinderella (2000) as Martin |
 | Shergar (1999) as Eammon Garrity |
 | Wing Commander (1999) as Admiral Geoffrey Tolwyn |
 | Winnie the Pooh: A Valentine for You (1999) as Narrator (voice) |
 | Houdini (1998) as Sir Arthur Conan Doyle |
 | A Winnie the Pooh Thanksgiving (1998) as Narrator |
 | The Last Leprechaun (1998) as Simpson |
 | Titanic (1997) as Spicer Lovejoy |
 | Scream 2 (1997) as Gus Gold |
 | Money Talks (1997) as Barclay |
 | Pooh's Grand Adventure: The Search for Christopher Robin (1997) as Narrator (voice) |
 | Danielle Steel's Zoya (1997) as Prince Vladmir |
 | The Leading Man (1996) as Tod |
 | Seven Servants (1996) as Blade |
 | Siegfried & Roy: Masters of the Impossible (1996) |
| | Corwin (1996) as Self |
 | Beastmaster III: The Eye of Braxus (1996) as Lord Agon |
 | Naked Souls (1996) as Everett Longstreet |
 | Rasputin (1996) as Dr. Botkin |
 | Felony (1996) as Cooper |
 | Final Equinox (1995) as Shilow |
 | Ice Cream Man (1995) as Reverend Langley |
 | In the Mouth of Madness (1995) as Dr. Wrenn |
 | Inner Sanctum II (1994) as Dr. Lamont |
 | Tryst (1994) as Jason |
 | Loving Deadly (1994) as Grant / Grant's Twin |
 | Piccolo grande amore (1993) as principe Massimiliano |
 | Necronomicon (1993) as Dr. Madden |
 | Quest of the Delta Knights (1993) as Lord Vultare |
 | Body Bags (1993) as Dr. Lock |
 | Perry Mason: The Case of the Skin-Deep Scandal (1993) as Harley Griswold |
| | Taking Liberty (1993) as Sir Leopold Linwood |
 | The Unnamable II: The Statement of Randolph Carter (1992) as Chancellor Thayer |
 | L’œil qui ment (1992) as Ellic |
 | Spies, Inc. (1992) as Cleague |
 | De terre et de sang (1992) as Tripoli |
 | Diagnosis Murder: The House on Sycamore Street (1992) as Dr. Lloyd Stern |
 | Return to the Lost World (1992) as Professor Leo Summerlee |
 | The Lost World (1992) as Summerlee |
 | Star Trek VI: The Undiscovered Country (1991) as Chancellor Gorkon |
 | Uncle Vanya (1991) as Vanya |
 | Blue Tornado (1991) as Commander |
 | Cast a Deadly Spell (1991) as Amos Hackshaw |
 | Drive (1991) as The Driver |
 | Teenage Mutant Ninja Turtles II: The Secret of the Ooze (1991) as Professor Jordon Perry |
 | The Secret Life of Ian Fleming (1990) as Adm. Godfrey |
 | Perry Mason: The Case of the Poisoned Pen (1990) as Bradley Thompson |
 | Tripwire (1989) as Josef Szabo |
 | Mortal Passions (1989) as Doctor Terrence Powers |
 | Hostile Takeover (1989) as Eugene Brackin |
 | Grave Secrets (1989) as Dr. Carl Farnsworth |
 | Star Trek V: The Final Frontier (1989) as St. John Talbot |
 | Hansel and Gretel (1988) as Father Stephan |
 | Magdalene (1988) as Baron von Seidl |
 | The Evil Clergyman (1988) as Evil Clergyman |
 | Mr. North (1988) as Doctor Angus McPherson |
 | Waxwork (1988) as Waxwork Man |
 | Hanna's War (1988) as Captain Julian Simon |
 | Keys to Freedom (1988) as Nigel Heath |
 | Pulse Pounders (1988) as Evil Clergyman (The Evil Clergyman sequence) (archive footage) |
 | My Best Friend Is a Vampire (1987) as Professor Leopold McCarthy |
 | Desperado (1987) as Ballard, Company Police Chief |
| | Summer Lightning (1985) as George Millington |
 | Hitler's SS: Portrait in Evil (1985) as Reinhard Heydrich |
 | Love's Labour's Lost (1985) as Don Armado |
 | A Christmas Carol (1984) as Bob Cratchit |
 | The Company of Wolves (1984) as Father |
 | The Boy Who Left Home to Find Out About the Shivers (1984) as Zandor, the Inkeeper |
 | Frankenstein (1984) as Creature |
 | The Man with Two Brains (1983) as Dr. Alfred Necessiter |
 | Tron (1982) as Ed Dillinger / Sark |
 | Contact (1982) as Self - Narrator (Synchronisation) |
 | The French Lieutenant's Woman (1981) as Murphy |
 | Time Bandits (1981) as Evil Genius |
 | The Island (1980) as David Nau |
 | S.O.S. Titanic (1980) as Laurence Beesley |
 | Time After Time (1979) as Jack the Ripper - John Leslie Stevenson |
 | The Concorde... Airport '79 (1979) as Peter O'Neill |
 | Nightwing (1979) as Phillip Payne |
 | The Thirty Nine Steps (1978) as Sir Edmund Appleton |
 | The Disappearance (1977) as Burbank |
 | Silver Bears (1977) as Agha Firdausi |
 | Age of Innocence (1977) as Henry Buchanan |
 | The Blue Hotel (1977) as Swede |
 | Cross of Iron (1977) as Hauptmann Kiesel |
 | Providence (1977) as Kevin Woodford |
 | The Omen (1976) as Keith Jennings |
 | The Old Curiosity Shop (1975) as Sampson Brass |
 | Little Malcolm and His Struggle Against the Eunuchs (1974) as Dennis Charles Nipple |
 | From Beyond the Grave (1974) as Edward Charlton |
 | A Doll's House (1973) as Torvald Helmer |
 | Straw Dogs (1971) as Henry Niles (uncredited) |
 | Perfect Friday (1970) as Lord Nicholas "Nick" Dorset |
 | The Ballad of Cable Hogue (1970) as Joshua |
 | Michael Kohlhaas - Der Rebell (1969) as Michael Kohlhaas |
 | The Sea Gull (1968) as Konstantin Treplev |
 | The Fixer (1968) as Count Odoevsky |
 | A Midsummer Night's Dream (1968) as Lysander |
 | Work Is a 4-Letter Word (1968) as Valentine Brose |
 | The Bofors Gun (1968) as Lance Bombardier Terry Evans |
 | The Deadly Affair (1967) as Edward II (in Edward II) |
 | Opus (1967) as Hamlet |
 | Morgan: A Suitable Case for Treatment (1966) as Morgan Delt |
 | The Wars of the Roses (1965) as King Henry VI |
 | Tom Jones (1963) as Mr. Blifil |
 | We Joined the Navy (1963) as Sailor Painting Ship (uncredited) |
 | The Madhouse on Castle Street (1963) as Lennie |
 | The King's Breakfast (1963) as 1st Trumpeter |
| | Blue Borsalino Executive Producer |
| | Passion & Poetry: Sam Peckinpah's War Thanks |
