- The Order
2003 Eden's Manservant
- Screw Loose
1999 Dr. Caputo
- The Sandman
1993 Spalanzini
- Killer Rules
1993 Lord Elston
- Il Conte Max
1991 Maggiordomo
- Tonight at Alice's
1990 Father-in-law
- Frankenstein Unbound
1990 Parson
- The Church
1989 Heinrich
- Bill & Ted's Excellent Adventure
1989 Evil Duke
- The Gamble
1988
- The Little Devil
1988 Padre confessore
- I Love N.Y.
1987 Butler
- The Devils of Monza
1987 Don Carlo
- Good King Dagobert
1984 Corbus
- The Warning
1980 Ferdinando Violante
- The Black Stallion
1979 Archeologist
- The New Godfathers
1979 membro della Commissione Narcotici
- Velvet Hands
1979 il notaio
- Fellini's Casanova
1976 Lord Talou
- Footprints on the Moon
1975 Alfredo Laurenti / Alfred Lowenthal (as John Carlsen)
- The Sex Machine
1975 capo delle spie
- Prete, fai un miracolo
1975 Ritter
- The Messiah
1975 Caiaphas
- The Kiss
1974 Friedrich (uncredited)
- Stardust
1973 Commandante tedesco (non accreditato)
- What?
1972 Edward
- Tre nel mille
1971
- Slaughter Hotel
1971 Professor Osterman
- Stanza 17-17 palazzo delle tasse, ufficio imposte
1971 venditore di cassaforti
- Carnal Circuit
1969 Fletcher (uncredited)
- The Laughing Woman
1969 Manservant (uncredited)
- Juliette de Sade
1969 The Marchese
- I See Naked
1969 Psychiatrist
- Fenomenal and the Treasure of Tutankamen
1968 Professor Micklewitz
- Spirits of the Dead
1968 Schoolmaster (segment "William Wilson") (uncredited)
- L'oro di Londra
1968 Ed
- Mission Stardust
1967 Crest
- The Sicily Barbers
1967 chimico tedesco
- Your Turn to Die
1967 Photographer in Nightclub (uncredited)
- Face to Face
1967 University Dean (uncredited)
- Requiem for a Secret Agent
1966 Franco
- Modesty Blaise
1966 Oleg
- The She Beast
1966 Count von Helsing
- The Christmas That Almost Wasn't
1966 Blossom
- Our Men in Bagdad
1966 Ambassador
- El Greco
1966
- Me, Me, Me... and the Others
1966 Producer
- Agent 3S3, Massacre in the Sun
1966 Mikhailovic's Boss
- Crack in the World
1965 Dr. Reynolds
- The Dolls
1965 Husband (segment "La minestra")
- The Amazing Doctor G
1965 Stevenson
- Crypt of the Vampire
1964 Franz Karnstein (uncredited)
- The Boom
1963
- 8½
1963
- The Witch's Curse
1962 Burgomeister
- Totò e Peppino divisi a Berlino
1962 nazista
- Pontius Pilate
1962 Roman Senator
- Battle of the Worlds
1961 Supervising Commissioner
