(1999) The Ninth Gate

as Victor Fargas

(1978) Obscene Desire

as o. A.

(1970) Count Dracula

as Quincey Morris

(1973) The Killer Is One of Thirteen

as Harlan

(1988) Edge of the Axe

as Christopher Caplin

(1985) Angel of Death

as Aaron Horner

(1982) Conan the Barbarian

as Priest

(1974) The Ghost Galleon

as Howard Tucker

(1968) Succubus

as William Francis Mulligan

(1977) Journey to the Centre of the Earth

as Olsen

(1973) Female Vampire

as Baron von Rathony

(1974) The House of the Lost Dolls

as Sigma

(1972) The Vengeance of Dr. Mabuse

as Farkas / Mabuse

(1962) Nostradamus and the Destroyer of Monsters

as Igor

(1962) Nostradamus: The Genie of Darkness

as Igor

(1962) Neutron and the Black Mask

as Professor Thomas

(1975) The Mummy's Revenge

as Prof. Natan Stern

(1982) The Icebox Murders

as Dr. Beneau / Michele

(1973) Autopsy

as Dr. Azcona

(2010) Agnosia

as Meissner

(2001) Far Away

as James

(1982) Pieces

as Prof. Arthur Brown

(1974) The Night of the Sorcerers

as Prof Jonathan Grant

(2000) Presence of Mind

as Father

(1970) Eugenie

as Mirvel

(2005) The Birthday

as Ron Fulton

(2013) Son of Cain

as Andrew Holsteter

(1984) Panther Squad

as Frank Bramble

(1970) Nightmares Come at Night

as Cynthia's Lover

(1988) Iguana

as Captain 'Old Lady II'

(2022) Marauders from the Mediterranean: The Macabre Magic of the Spanish Zombie Film

as Self

(1986) El vivo retrato

as Profesor Roger Springer

(2014) Wax

as Dr. Knox

(1973) Tender and Perverse Emmanuelle

as Michel Dreville

(1967) Joe Navidad

as John Novak

(2013) La última película de Jess Franco

as Self

(2023) Print the Legend

as Narrator (voice)

(1968) Two Eyes to Kill

as Max (as Jak Taylor)

(1985) La hoz y el Martínez

as Comisario ruso

(1977) Call of the Blonde Goddess

as Jack Haus

(1972) Sex Charade

as ---

(2023) The Concavenator Valley

as ---

(1977) Sexy Sisters

as Dr. Barnes

(1987) Policía

as Inspector Ferrara

(1965) Fall of the Mohicans

as Duncan Edward

(1972) Vampir Cuadecuc

as Self

(1980) Vicious and Nude

as Juan Aznar

(1989) Fine Gold

as ---

(1964) Tomb of the Pistolero

as Herbert Brandon

(1973) The Vampires' Night Orgy

as Luis

(1986) Crystal Heart

as Journalist

(1987) Rest in Pieces

as David Hume

(1972) Dr. Jekyll vs. the Werewolf

as Dr. Henry Jekyll

(1964) Billy the Kid

as Black Jack

(1989) Autumn Rain

as ---

(1978) Nathalie: Escape from Hell

as Lt. Erik Muller

(1969) S.O.S Invasion

as Martin Zare

(1982) Murder in the Central Committee

as Agente

(2014) Clawing! A Journey Through the Spanish Horror

as Self - Actor

(1967) Agent Sigma 3 - Mission Goldwalther

as Charles Butler / Agent Sigma 3

(1985) The Sea Serpent

as Hospital Killer

(1975) Exorcismo

as Father Adrian Dunning (voice)

(1977) Las desarraigadas

as Eric Lerner

(1963) Neutron vs. Dr. Caronte

as Professor Thomas (as Grek Martin)

(1962) Neutron the Atomic Superman vs. the Death Robots

as Professor Thomas

(2014) The Ravine of the British

as Andersen (voice)

(1957) Inside Information

as ---

(1975) Devil's Exorcist

as Dr. Jack Morris

(1981) Police Destination Oasis

as Sigma (archive footage)

(1993) The Milky Life

as Cardenal Logan

(1992) 1492: Conquest of Paradise

as Vicuna

(1985) A la pálida luz de la luna

as ---

(2014) Queridos monstruos

as Self

(2010) The Man Who Saw Frankenstein Cry

as Self

(2015) Soledad Miranda, Flower in the Desert

as Himself

(2018) Jack Taylor, testigo del fantástico

as ---

(2018) Doses of Horror

as Luis ("A Dose of Peeping Toms & Vampires" segment) (archive footage) (uncredited)

(2006) Goya's Ghosts

as Chamberlain

(2005) His Last Request

as The Father

(1975) The Adolescents

as Mr. Hanson

(1978) Rings of Fear

as Michael Parravicini

(1973) La llamaban la madrina

as Espía

(1989) The Return of the Musketeers

as Gentleman on Horseback

(1956) Pasaporte al infierno

as (uncredited)

(1992) Sevilla Connection

as El rubio

(2002) El refugio del mal

as Don Alberto

(1992) The Naked Target

as William

(2015) The Simón's Jigsaw: A Trip to the Universe of Juan Piquer Simón

as Self

(2007) Beloved Count

as (archive footage)

(2019) Abuelita / Granny

as Emperor of Evil

(1989) The Man in the Brown Suit

as Police Inspector

(2024) Exorcismo: The Transgressive Legacy of Clasificada 'S'

as Self

(1976) Curro Jiménez

as Anselmo García

(1982) La Máscara Negra

as ---

(1981) Cervantes

as Pedro de Isuza

(1985) Pagina de Sucesos

as Axel

(2000) Antivicio

as ---