Actor (210 credits)
- The Alienist (2018) Professor Cavanaugh
- Mary Poppins Returns (2018) Admiral Boom
- Mary Poppins Returns (2018) Admiral Boom
- Theatre of Wax: Interview Mit Anthony Hickox (2017) Waxwork Man, хроника
- You, Me and Him (2017) Michael Miller
- Blue Borsalino (2015) Ernie Child
- Amicus Vault of Horrors (2015) играет самого себя
- Inside No. 9 (2014) Sir Andrew Pike
- Penny Dreadful (2014) Professor Abraham Van Helsing
- Before I Sleep (2013) Eugene Devlin
- The Caravan Trilogy (2013) The Dad
- Wizard (2013) Merlin
- Shakespeare Uncovered (2012) играет самого себя
- The Secret of Crickley Hall (2012) Percy Judd
- Ripper Street (2012) Rabbi Max Steiner
- Tron: The Next Day (2011) Ed Dillinger
- A Thousand Kisses Deep (2011) Max
- The Amazing World of Gumball (2011) Dr. Wrecker, voice acting
- Mad Dogs (2011) Mackenzie
- Black Death (2010) Abbot
- Never Sleep Again: The Elm Street Legacy (2010) играет самого себя, хроника
- A History of Horror with Mark Gatiss (2010) играет самого себя
- Albert's Memorial (2009) Frank
- Doctor Who: Dreamland (2009)
- In Love with Barbara (2008) Lord Mountbatten
- Wallander (2008) Povel Wallander
- Ancient Rome: The Rise and Fall of an Empire (2006) Pulcher
- Sweeney Todd (2006) Fielding
- Perfect Parents (2006) Father Thomas
- Mr. Loveday's Little Outing (2006) Lord Moping
- Wild at Heart (2006) Gerald
- Lewis (2006) Donald Lockston
- Terry Pratchett's Hogfather (2006) Lord Downey
- The Battle for Rome (мини-сериал) (2006) Claudius Pulcher
- The League of Gentlemen's Apocalypse (2005) Dr Erasmus Pea
- Passion & Poetry: The Ballad of Sam Peckinpah (2005) играет самого себя
- Ladies in Lavender (2004) Dr. Francis Mead
- Cortex (2004) Master of the Organization
- Cyber Wars (2004) Joseph Lau
- Sam Peckinpah's West: Legacy of a Hollywood Renegade (2004) играет самого себя, хроника
- Agatha Christie's Marple (2004) Luther Crackenthorpe
- Dr. Jekyll and Mr. Hyde (2003) Sir Danvers Carew
- Hearts of Gold (2003) Dr. Theo John
- Kiss of Life (2003) Pap
- The Code Conspiracy (2002) Professor
- The Investigation (2002) Superint. Bruce Northorp
- The Little Unicorn (2002) Ted Regan
- What's New, Scooby-Doo? (2002) Old Man
- Superstition (2001) Judge Padovani
- Planet of the Apes (2001) Sandar
- Hornblower: Mutiny (2001) Captain James Sawyer
- Hornblower: Retribution (2001) Captain James Sawyer
- Back to the Secret Garden (2001) Dr. Snodgrass
- Grim & Evil (2001) Nergal
- The Secret Adventures of Jules Verne (2000) Arago
- Cinderella (2000) Martin
- Buzz Lightyear of Star Command (2000) Lord Angstrom
- Twentieth Century Fox: The Blockbuster Years (2000) Keith Jennings, хроника
- In the Beginning (2000) Eliezer
- Wing Commander (1999) Admiral Geoffrey Tolwyn
- Shergar (1999) EammonGarrity
- Winnie the Pooh: A Valentine for You (1999) рассказчик, voice acting
- Batman Beyond (1999) Ra's al Ghul
- Love & Money (1999) Hugh
- Total Recall 2070 (1999) Dr. Felix Latham
- The Last Leprechaun (1998) Simpson
- A Winnie the Pooh Thanksgiving (1998) рассказчик
- Houdini (1998) Sir Arthur Conan Doyle
- Toonsylvania (1998) Doctor Vic Frankenstein
- Three (1998) The Man
- Perversions of Science (1997) Dr. Nordhoff
- Scream 2 (1997) Drama Teacher Gus Gold
- Men in Black: The Series (1997) Alpha
- The Directors (1997) играет самого себя
- Roar (1997) рассказчик, not listed in credits
- Pooh's Grand Adventure: The Search for Christopher Robin (1997) рассказчик, voice acting
- Money Talks (1997)
- The Hunger (1997) Vassu
- Titanic (1997) Spicer Lovejoy
- Captain Simian & The Space Monkeys (1996) The Glyph, voice acting
- Rasputin (1996) Dr. Botkin
- Corwin (1996) играет самого себя
- Seven Servants (1996) Blade
- Superman (1996) Ra's al Ghul
- The Leading Man (1996) Tod
- Naked Souls (1996) Everett Longstreet
- The Legend of Sarmoti: Siegfried & Roy (1996)
- Beastmaster III: The Eye of Braxus (1996) Lord Agon
- Final Equinox (1995) Shilow
- Luise knackt den Jackpot (1995) the Butler
- The Choir (мини-сериал) (1995) Alexander Troy
- Ice Cream Man (1995) Reverend Langley
- Freakazoid! (1995) The Lobe
- Signs and Wonders (1995) Rev Timothy Palmore
- Zoya (1995) Prince Vladimir
- Loving Deadly (1994) Grant / Grant's Twin
- Gargoyles (1994) Archmage
- In the Mouth of Madness (1994) Dr. Wrenn
- Inner Sanctum II (1994) Dr. Lamont
- Spider-Man (1994) Herbert Landon
- Felony (1994) Cooper
- The American Revolution (1994) King George III, voice acting
- Iron Man (1994) Arthur Dearborn, voice acting
- Tryst (1994) Jason
- A Mind to Kill (1994) David Caulfield
- Quest of the Delta Knights (1993) Lord Vultare / Baydool / рассказчик
- Body Bags (1993) Dr. Lock (segment 'Hair')
- Mighty Max (1993) Talon
- Biker Mice from Mars (1993) Ice Breaker
- Perry Mason: The Case of the Skin-Deep Scandal (1993) Harley Griswold
- Taking Liberty (1993) Sir Leopold Linwood
- Necronomicon (1993) Dr. Madden (part 2)
- Wild Palms (1993) Eli Levitt
- Piccolo grande amore (1993) Prince Max
- The Adventures of Brisco County Jr. (1993) Winston Smiles
- De terre et de sang (1992) Tripoli
- Batman: The Animated Series (1992) Ra's al Ghul
- Return to the Lost World (1992) Professor Summerlee
- The Unnamable II: The Statement of Randolph Carter (1992) Chancellor Thayer
- Spies Inc. (1992) Cleague
- The Larry Sanders Show (1992) Richard Germain
- The House on Sycamore Street (1992) Dr. Lloyd Stern - plastic surgeon
- L'oeil qui ment (1992) Ellic
- The Lost World (1992) Professor Summerlee
- Performance (1992) Vanya
- Cast a Deadly Spell (1991) Amos Hackshaw
- The Legend of Prince Valiant (1991) Duke Richard of Lionsgate
- Teenage Mutant Ninja Turtles II: The Secret of the Ooze (1991) Professor Jordon Perry
- Dinosaurs (1991) Spirit of the Tree
- Uncle Vanya (1991) Vanya
- Blue Tornado (1991) Commander
- Drive (1991) The Driver
- The Secret Life of Ian Fleming (1990) Adm. Godfrey
- Twin Peaks (1990) Thomas Eckhardt
- Perry Mason: The Case of the Poisoned Pen (1990) Bradley Thompson
- Captain Planet and the Planeteers (1990) Zarm
- Father Dowling Mysteries (1989) Sir Arthur Wedgeworth
- Tales from the Crypt (1989) Dr. Alan Goetz
- Mortal Passions (1989) Doctor Terrence Powers
- Tripwire (1989) Josef Szabo
- Star Trek V: The Final Frontier (1989) St. John Talbot
- Grave Secrets (1989) Dr. Carl Farnsworth
- Mr. North (1988) Doctor McPherson
- Magdalene (1988) Baron von Seidl
- Waxwork (1988) Waxwork Man
- Hanna's War (1988) Captain Julian Simon
- Hostile Takeover (1988) Eugene Brackin
- Pulse Pounders (1988) Evil Clergyman (The Evil Clergyman sequence)
- Keys to Freedom (1988) Nigel Heath
- My Best Friend Is a Vampire (1987) Professor McCarthy
- Crossbow (1987) The Alchemist
- Hansel and Gretel (1987) Father
- Contact (1987) играет самого себя - рассказчик, voice acting
- Desperado (1987) Ballard, Company Police Chief
- Star Trek: The Next Generation (1987) Gul Madred
- Worlds Beyond (1986) Ken Larkin
- Love's Labour's Lost (1985) Don Armado
- Hitler's S.S.: Portrait in Evil (1985)
- The Walt Disney Comedy and Magic Revue (1985) Ed Dillinger / Sark / Master Control Program, хроника
- The Company of Wolves (1984) Father
- A Christmas Carol (1984) Bob Cratchit
- Summer Lightning (1984) George Millington
- Frankenstein (1984) The Creature
- The Man with Two Brains (1983) Dr. Alfred Necessiter
- Nancy Astor (1982) Philip Kerr
- Remington Steele (1982) Alexander Sebastien
- Tron (1982) Ed Dillinger / Sark / Master Control Program
- Faerie Tale Theatre (1982) Zandor, the Inkeeper
- Marco Polo (1982) Rustichello
- Time Bandits (1981) Evil
- The French Lieutenant's Woman (1981) Murphy
- Masada (1981) Falco
- The Island (1980)
- Nightwing (1979) Phillip Payne
- Time After Time (1979)
- S.O.S. Titanic (1979) Laurence Beesley
- The Concorde: Airport '79 (1979)
- Holocaust (1978)
- The Thirty-Nine Steps (1978) Appleton
- The Blue Hotel (1977) Swede
- Silver Bears (1977) Agha Firdausi
- The Disappearance (1977) Burbank
- Providence (1977) Kevin Langham / Kevin Woodford
- Cross of Iron (1977) Hauptmann (Capt.), Kiesel
- Age of Innocence (1977) Henry Buchanan
- The Omen (1976) Jennings
- The Old Curiosity Shop (1975) Sampson Brass
- The Puritan Experience: Making of a New World (1975) John Higgins
- Little Malcolm and His Struggle Against the Eunuchs (1974) Dennis Charles Nipple
- From Beyond the Grave (1973)
- A Doll's House (1973) Torvald Helmer
- Swêden poruno: Yokujô shotaiken (1971)
- Straw Dogs (1971) Henry Niles, not listed in credits
- The Ballad of Cable Hogue (1970)
- Perfect Friday (1970) Lord Nicholas «Nick» Dorset
- Michael Kohlhaas - Der Rebell (1969) Michael Kohlhaas
- Work Is a 4-Letter Word (1968) Valentine Brose
- The Bofors Gun (1968) Terry «Lance Bar» Evans
- A Midsummer Night's Dream (1968) Lysander
- The Sea Gull (1968) Konstantin Treplev, her son
- The Fixer (1968) Count Odoevsky
- NBC Experiment in Television (1967) Dominic Boot
- The Deadly Affair (1966) Edward II (in 'Edward II'), not listed in credits
- Morgan: A Suitable Case for Treatment (1966) Morgan Delt
- A King's Story (1965) Prince of Wales, voice acting
- The Wars of the Roses (1965) King Henry VI
- Tom Jones (1963) Blifil
- The Madhouse on Castle Street (1963) Lennie
- The King's Breakfast (1963) 1st Trumpeter
- We Joined the Navy (1962) Sailor painting ship, not listed in credits
