- Call Me Paul
2024
- Print the Legend
2023 Screenplay
- Abuelita / Granny
2019 Emperor of Evil
- Drácula Barcelona
2017 Himself
- Soledad Miranda, Flower in the Desert
2015 Himself
- Wax
2014 Dr. Knox
- The Ravine of the British
2014 Andersen (voice)
- Son of Cain
2013 Andrew Holsteter
- Agnosia
2010 Meissner
- Beloved Count
2007 (archive footage)
- Goya's Ghosts
2006 Chamberlain
- The Birthday
2005 Ron Fulton
- His Last Request
2005 The Father
- El refugio del mal
2002 Don Alberto
- Far Away
2001 James
- Presence of Mind
2000 Father
- The Ninth Gate
1999 Victor Fargas
- Things I Forgot to Remember
1999 Mr. Bradford
- Sons of Trinity
1995 Theopolis
- The Milky Life
1993 Cardenal Logan
- 1492: Conquest of Paradise
1992 Vicuna
- Sevilla Connection
1992 El rubio
- The Naked Target
1992 William
- Fine Gold
1989
- Autumn Rain
1989
- The Return of the Musketeers
1989 Gentleman on Horseback
- The Man in the Brown Suit
1989 Police Inspector
- Edge of the Axe
1988 Christopher Caplin
- Iguana
1988 Captain 'Old Lady II'
- Policía
1987 Inspector Ferrara
- Rest in Pieces
1987 David Hume
- El vivo retrato
1986 Profesor Roger Springer
- Crystal Heart
1986 Journalist
- Angel of Death
1985 Aaron Horner
- La hoz y el Martínez
1985 Comisario ruso
- The Sea Serpent
1985 Hospital Killer
- Panther Squad
1984 Frank Bramble
- Conan the Barbarian
1982 Priest
- The Icebox Murders
1982 Dr. Beneau / Michele
- Pieces
1982 Prof. Arthur Brown
- Murder in the Central Committee
1982 Agente
- Police Destination Oasis
1981 Sigma (archive footage)
- Vicious and Nude
1980 Juan Aznar
- Nathalie: Escape from Hell
1978 Lt. Erik Muller
- Rings of Fear
1978 Michael Parravicini
- Journey to the Centre of the Earth
1977 Olsen
- Call of the Blonde Goddess
1977 Jack Haus
- Sexy Sisters
1977 Dr. Barnes
- Las desarraigadas
1977 Eric Lerner
- The Mummy's Revenge
1975 Prof. Natan Stern
- Exorcismo
1975 Father Adrian Dunning (voice)
- The Devil's Exorcist
1975 Dr. Jack Morris
- The Adolescents
1975 Mr. Hanson
- The Ghost Galleon
1974 Howard Tucker
- The House of the Lost Dolls
1974 Sigma
- The Night of the Sorcerers
1974 Prof Jonathan Grant
- The Killer Is One of Thirteen
1973 Harlan
- Female Vampire
1973 Baron von Rathony
- Autopsy
1973 Dr. Azcona
- Nightmares Come at Night
1973 Cynthia's Lover
- Tender and Perverse Emmanuelle
1973 Michel Dreville
- The Vampires' Night Orgy
1973 Luis
- La llamaban la madrina
1973 Espía
- The Vengeance of Dr. Mabuse
1972 Farkas / Mabuse
- Dr. Jekyll and the Werewolf
1972 Dr. Henry Jekyll
- Count Dracula
1970 Quincey Morris
- Eugenie
1970 Mirvel
- S.O.S Invasion
1969 Martin Zare
- Succubus
1968 William Francis Mulligan
- Two Eyes to Kill
1968 Max (as Jak Taylor)
- Joe Navidad
1967 John Novak
- Agent Sigma 3 - Mission Goldwalther
1967 Charles Butler / Agent Sigma 3
- Fall of the Mohicans
1965 Duncan Edward
- Tomb of the Pistolero
1964 Herbert Brandon
- Billy the Kid
1964 Black Jack
- Neutron vs. Dr. Caronte
1963 Professor Thomas (as Grek Martin)
- Nostradamus: The Genie of Darkness
1962 Igor
- Neutron and the Black Mask
1962 Profesor Thomas
- Neutron the Atomic Superman vs. the Death Robots
1962 Professor Thomas
- Pasaporte al infierno
1956 (uncredited)
