2026The Dr. Loomis Tapes— Dr. Loomis
2025Ladies & Gentlemen... 50 Years of SNL Music— Self (archive footage)
2025Breakdown: 1975— Self (archive footage- Escape to Witch Mountain)
2012Driving Lessons— Dr. Sam Loomis (archive footage)
2003Halloween: A Cut Above the Rest— Self / Dr. Samuel 'Sam' Loomis (archive footage)
1996Fatal Frames - Fotogrammi mortali— Professor Robinson
1995Cadılar Bayramı 6: Ölüm Çığlığı— Dr. Loomis
1995Safe Haven— The Sailor
1994Guinevere— Merlin
1994Freeze: But is it Art?— Sinister Dentist
1993The Thief and the Cobbler— Phido the Vulture (voice)
1993The Hour of the Pig— Pincheon
1993The Big Freeze— Soup slurper
1993Femme Fatale— Victor Harty
1992Diên Biên Phu— Howard Simpson
1991Gölgeler ve Sis— Doctor
1991L'avvoltoio può attendere— Armon Shalik
1991Donne armate— Dreyfuss
1991Miliardi— Ripa
1990Moi, général de Gaulle— Winston Churchill
1989Cadılar Bayramı 5: Michael Myers'ın İntikamı— Dr. Sam Loomis
1989Diri Gömülenler— Dr. Schaeffer
1989Ölüm Nehri— Heinrich Spaatz
1989Evdeki Kâbus— Walter Usher
1989Casablanca Express— Colonel Bats
1989Ten Little Indians— Mr. Justice Lawrence Wargrave
1989Ateş Çemberi— Rev. Mortom
1989Paganini'nin Dehşeti— Mr. Pickett
1989Bayan Marple: Bir Karayip Gizemi— Jason Rafiel
1988Cadılar Bayramı 4: Michael Myers'ın Dönüşü— Dr. Loomis
1988Nosferatu a Venezia— Don Alvise
1988Un delitto poco comune— Inspector Datti
1988Amerikan Komando— Henry Carlson
1988Animali metropolitani— Prof. Livingstone
1988The Great Escape II: The Untold Story— Dr. Absalon
1988Angel Hill: l'ultima missione— Colonel B. Abrahams
1987Warrior Queen— Clodius Flaucus
1987Karanlıklar Prensi— Priest
1987Django 2 - Il grande ritorno— Ben Gunn
1987Double Target— Sen. Blaster
1987Ground Zero— Prosper Gaffney
1987Scoop— Lord Copper
1987Spettri— Professor Lasky
1987Basements— Mr. Kidd (segment "The Room")
1987Gila and Rik— Joe Gardenia
1986Cobra Mission— Father Lenoir
1986To Kill a Stranger— Col. Kostik
1986Onora il padre— Aldo Rossi
1986Into the Darkness— David Beckett
1985Phenomena— Professor John McGregor
1985Sotto il vestito niente— Commissioner Danesi
1985Treasure of the Amazon— Klaus von Blantz
1985The Ambassador— Minister Eretz
1985Reel Horror— Axel MacGregor (archive footage)
1985The Corsican Brothers— The Chancellor
1985Black Arrow— Sir Oliver Oates
1984Terror in the Aisles— Self - Host
1984Doruktaki Sır— J.P. Whittier
1984Arch of Triumph— Ivon Haake
1984Where Is Parsifal?— Mackintosh
1984Frankenstein's Great Aunt Tillie— Victor Frankenstein / Baron Frankenstein
1983Warrior of the Lost World— Prossor
1983The Devonsville Terror— Dr. Warley
1983The Falklands Factor— Dr. Samuel Johnson
1982Witness for the Prosecution— Mr. Myers
1982Computercide— George Dettler
1982Alone in the Dark— Leo Bain
1981New York'tan Kaçış— President of the United States
1981Cadılar Bayramı 2— Sam Loomis
1981The Monster Club— Pickering, Chief of the B-Squad
1981Kayıp Uçak— Gilbert Carson
1980L'uomo puma— Kobras
1980Blade on the Feather— John Cavendish
1979Garp Cephesinde Yeni Bir Şey Yok— Kantorek
1979Dracula— Dr. Jack Seward
1979Jaguar Lives!— General Villanova
1979Good Luck, Miss Wyckoff— Dr. Steiner
1979Gold of the Amazon Women— Clarence Blasko
1979Jig-Saw— Albert Rumpelmayer
1979Better Late Than Never— Colonel Riddle
1978Cadılar Bayramı— Loomis
1978Tomorrow Never Comes— Dr. Todd
1978Les liens de sang— James Doniac
1978Night Creature— Axel MacGregor
1978Power Play— Blair
1978The Defection of Simas Kudirka— Capt. Vladimir Popov
1978L'Ordre et la sécurité du monde— Rothko
1977Telefon— Nicolai Dalchimsky
1977Katil Kediler— Valentine De'ath (segment "Hollywood 1936")
1976Kartal Kondu— Himmler
1976Doğmak İstemiyorum— Dr. Finch
1976Son Patron— Boxley
1976The Devil's Men— Father Roche
1976Trial by Combat— Sir Giles Marley
1976Goldenrod— John Tyler Jones
1976The Passover Plot— Pontius Pilate
1976Meriel the Ghost Girl— George Livingston
1976Hindle Wakes— Nat Jeffcote
1976The Joke— Bendel
1975Sihirli Dağ'dan Kaçış— Lucas Deranian
1975Hearts of the West— A.J. Nietz
1975Journey into Fear— Kuvetli
1974Delirtmeyin Bizi!— Doctor
1974The Mutations— Professor Nolter
1974The Black Windmill— Cedric Harper
1974Mezarın Ötesinden— Jim Underwood
1974La loba y la Paloma— Martin Zayas
1974Barry McKenzie Holds His Own— Erich Count von Plasma
1974Occupations— Christo Kabak
1974The Cafeteria— Aaron
1973Dr. Jekyll and Mr. Hyde— Fred Smudge
1973Tales That Witness Madness— Prof. R.C. Tremayne
1973The Rainbow Boys— Ralph Logan
1973Malachi's Cove— Malachi
1972Henry VIII and His Six Wives— Thomas Cromwell
1972Innocent Bystanders— Loomis
1972The Pied Piper— The Baron
1972The Jerusalem File— Major Samuels
1972Wedding in White— Jim Dougall, Sr.
1971THX 1138— SEN
1971Kidnapped— Ebenezer Balfour
1971Korkuyla Uyan— Doc Tydon
1971Skin Deep— Gerry Muddiman
1971The Fox Trot— Tom
1970Soldier Blue— Isaac Q. Cumber
1969Last to Go
1969Mr. Freedom— Dr. Freedom
1969The Madwoman of Chaillot— The Prospector
1969Arthur? Arthur!— Arthur Brownjohn / Sir Easonby 'E' Mellon
1968Creature of Comfort— James Thorne
1968Sleep is Lovely— Clive
1968The News-Benders— J.G.
1967Dostum Silahımdır— Preacher Quint
1967Generallerin Gecesi— General Kahlenberge
1967Matchless— Gregori Andreanu
1967Call Me Daddy— Ben Hoffman
1967The Diary of Anne Frank— Albert Dussel
1966Fantastik Yolculuk— Dr. Michaels
1966Eye of the Devil— Pere Dominic
1966Bozuk Düzen— George
1965The Greatest Story Ever Told— The Dark Hermit - Satan
1965Büyük Takip— 'Oracle' Jones
1964The Caretaker— Mac Davies / Bernard Jenkins
1963Dr. Crippen— Dr. Hawley Harvey Crippen
1962The Inspector— Wolters
1961What a Carve Up!— Everett Sloane
1961The Wind of Change— Pop
1961No Love for Johnnie— Renfrew
1961Spare the Rod— Mr. Jenkins
1961The Horsemasters— Captain Pinski
1960Circus of Horrors— Vanet
1960Hell Is a City— Gus Hawkins
1960The Battle of the Sexes— Irwin Hoffman
1960The Shakedown— Jessel Brown
1960The Hands of Orlac— Graham Coates
1960The Flesh and the Fiends— William Hare
1960Sons and Lovers— Mr. Pappleworth
1960Suspect— Parsons, alias Bill Brown
1960The Cupboard— Fred Watson
1960Toff and Fingers— Self/Host
1960Alice Through the Looking Box— Caterpillar
1960The Big Day— Victor Partridge
1960A Story of David— Nabal
1959Look Back in Anger— Hurst
1959The Traitor— Grantley Caypor
1959Killers of Kilimanjaro— Captain
1958A Tale of Two Cities— Barsad
1958The Wind Cannot Read— Doctor
1958The Greatest Man in the World— US President
1958The Man Inside— Organ Grinder
1958Heart of a Child— Spiel
1958The Two-Headed Spy— Gen. Hardt
1957The Man in the Sky— Crabtree
1957Barnacle Bill— Cashier
1957Manuela— Evans
19561984— R. Parsons
1956The Black Tent— Ali
1955Round the World in 80 Days— Voices
1955Value for Money— Limpy
1955The Moment of Truth— The Foreign Minister
1954Nineteen Eighty-Four— Syme
1954Orders Are Orders— Cpl. Martin (as Donald Plesance)
1954The Beachcomber— Tromp
1952The Dybbuk— Second batlon
—New Line: Independent Legacies— Self (archive footage)
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