| 2024 | Llámame Paul | | ★ 0.0 |
| 2024 | Exorcismo: The Transgressive Legacy of Clasificada 'S' | Self | ★ 0.0 |
| 2023 | Print the Legend | Narrator (voice) | ★ 2.0 |
| 2023 | El valle de Concavenator | | ★ 0.0 |
| 2022 | Marauders from the Mediterranean: The Macabre Magic of the Spanish Zombie Film | Self | ★ 0.0 |
| 2019 | Abuelita / Granny | Emperor of Evil | ★ 6.0 |
| 2018 | Jack Taylor, testigo del fantástico | | ★ 0.0 |
| 2018 | Doses of Horror | Luis ("A Dose of Peeping Toms & Vampires" segment) (archive footage) (uncredited) | ★ 4.6 |
| 2015 | The Simón's Jigsaw: un viaje al universo de Juan Piquer Simón | Self | ★ 0.0 |
| 2015 | Soledad Miranda, una flor en el desierto | Himself | ★ 3.7 |
| 2014 | Queridos monstruos | Self | ★ 5.5 |
| 2014 | ¡Zarpazos! Un viaje por el spanish horror | Self - Actor | ★ 6.0 |
| 2014 | Wax | Dr. Knox | ★ 5.2 |
| 2014 | La cañada de los ingleses | Andersen (voice) | ★ 5.0 |
| 2013 | La última película de Jess Franco | Self | ★ 6.0 |
| 2013 | Nico - Meister des Spiels | Andrew Holsteter | ★ 6.4 |
| 2010 | Der Mann, der Frankenstein weinen sah | Self | ★ 6.0 |
| 2010 | Agnosia - Das dunkle Geheimnis | Meissner | ★ 4.9 |
| 2007 | Beloved Count | (archive footage) | ★ 0.0 |
| 2006 | Goyas Geister | Chamberlain | ★ 6.6 |
| 2005 | His Last Request | The Father | ★ 0.0 |
| 2005 | The Birthday | Ron Fulton | ★ 5.3 |
| 2002 | El refugio del mal | Don Alberto | ★ 3.2 |
| 2001 | Weit weg | James | ★ 6.0 |
| 2000 | El celo | Father | ★ 4.6 |
| 1999 | Die neun Pforten | Victor Fargas | ★ 6.5 |
| 1993 | La vida láctea | Cardenal Logan | ★ 3.0 |
| 1992 | 1492 - Die Eroberung des Paradieses | Vicuna | ★ 6.3 |
| 1992 | Sevilla Connection | El rubio | ★ 6.0 |
| 1992 | The Naked Target | William | ★ 4.8 |
| 1989 | Fine Gold | | ★ 0.0 |
| 1989 | Die Rückkehr der Musketiere | Gentleman on Horseback | ★ 6.2 |
| 1989 | Mord auf hoher See | Police Inspector | ★ 5.0 |
| 1989 | Lluvia de otoño | | ★ 6.0 |
| 1988 | Axolution - Tödliche Begegnung | Christopher Caplin | ★ 5.3 |
| 1988 | Kampf auf der Todesinsel | Captain 'Old Lady II' | ★ 5.7 |
| 1987 | Ruhe in Frieden | David Hume | ★ 4.5 |
| 1987 | Police | Inspector Ferrara | ★ 5.0 |
| 1986 | El vivo retrato | Profesor Roger Springer | ★ 1.0 |
| 1986 | Crystal Heart | Journalist | ★ 6.5 |
| 1985 | A la pálida luz de la luna | | ★ 3.3 |
| 1985 | Angel of Death | Aaron Horner | ★ 4.4 |
| 1985 | Hydra - Die Ausgeburt der Hölle | Hospital Killer | ★ 5.1 |
| 1985 | La hoz y el Martínez | Comisario ruso | ★ 7.3 |
| 1984 | Kommando Panther | Frank Bramble | ★ 3.1 |
| 1982 | Der Kettensägenkiller | Prof. Arthur Brown | ★ 5.9 |
| 1982 | Asesinato en el Comité Central | Agente | ★ 4.3 |
| 1982 | Conan, der Barbar | Priest | ★ 6.8 |
| 1982 | El cepo | Dr. Beneau / Michele | ★ 2.7 |
| 1981 | Oase der gefangenen Frauen | Sigma (archive footage) | ★ 2.5 |
| 1980 | Viciosas al desnudo | Juan Aznar | ★ 4.0 |
| 1978 | L'osceno desiderio | o. A. | ★ 5.0 |
| 1978 | Orgie des Todes | Michael Parravicini | ★ 5.6 |
| 1978 | Nathalie rescapée de l'enfer | Lt. Erik Muller | ★ 4.0 |
| 1977 | Der Ruf der blonden Göttin | Jack Haus | ★ 5.7 |
| 1977 | Die teuflischen Schwestern | Dr. Barnes | ★ 4.6 |
| 1977 | Phantastische Reise zum Mittelpunkt der Erde | Olsen | ★ 5.1 |
| 1977 | Las desarraigadas | Eric Lerner | ★ 2.0 |
| 1975 | La venganza de la momia | Prof. Natan Stern | ★ 5.3 |
| 1975 | Las adolescentes | Mr. Hanson | ★ 5.8 |
| 1975 | Die Nacht des Exorzisten | Father Adrian Dunning (voice) | ★ 4.7 |
| 1975 | El juego del diablo | Dr. Jack Morris | ★ 6.0 |
| 1974 | Woodoo - Inferno des Grauens | Prof Jonathan Grant | ★ 4.9 |
| 1974 | Das Schiff der gefangenen Frauen | Sigma | ★ 2.5 |
| 1974 | Das Geisterschiff der schwimmenden Leichen | Howard Tucker | ★ 5.0 |
| 1973 | Autopsia | Dr. Azcona | ★ 2.0 |
| 1973 | El asesino está entre los trece | Harlan | ★ 6.0 |
| 1973 | La orgía nocturna de los vampiros | Luis | ★ 4.7 |
| 1973 | Entfesselte Begierde | Baron von Rathony | ★ 4.3 |
| 1973 | La llamaban la madrina | Espía | ★ 5.2 |
| 1973 | Perverse Emanuelle | Michel Dreville | ★ 4.4 |
| 1972 | Dr. M schlägt zu | Farkas / Mabuse | ★ 5.7 |
| 1972 | Die Nacht der blutigen Wölfe | Dr. Henry Jekyll | ★ 6.2 |
| 1972 | Cuadecuc, vampir | Self | ★ 6.0 |
| 1972 | Sex Charade | | ★ 0.0 |
| 1970 | Die nackten Augen der Nacht | Cynthia's Lover | ★ 4.1 |
| 1970 | Nachts, wenn Dracula erwacht | Quincey Morris | ★ 5.8 |
| 1970 | Die Jungfrau und die Peitsche | Mirvel | ★ 4.6 |
| 1969 | S.O.S. Invasión | Martin Zare | ★ 4.8 |
| 1968 | Necronomicon - Geträumte Sünden | William Francis Mulligan | ★ 5.5 |
| 1968 | Due occhi per uccidere | Max (as Jak Taylor) | ★ 3.0 |
| 1967 | Joe Navidad | John Novak | ★ 3.0 |
| 1967 | Agente Sigma 3 - Missione Goldwather | Charles Butler / Agent Sigma 3 | ★ 4.0 |
| 1965 | Lederstrumpf – Der letzte Mohikaner | Duncan Edward | ★ 8.0 |
| 1964 | La tumba del pistolero | Herbert Brandon | ★ 7.0 |
| 1964 | Fuera de la ley | Black Jack | ★ 5.2 |
| 1963 | Neutrón contra el Dr. Caronte | Professor Thomas (as Grek Martin) | ★ 4.8 |
| 1962 | Nostradamus, el Genio de las Tinieblas | Igor | ★ 5.4 |
| 1962 | Los autómatas de la muerte | Professor Thomas | ★ 5.3 |
| 1962 | Nostradamus y el destructor de monstruos | Igor | ★ 4.6 |
| 1962 | Neutrón el enmascarado negro | Professor Thomas | ★ 5.0 |
| 1957 | Inside Information | | ★ 0.0 |
| 1956 | Pasaporte al infierno | (uncredited) | ★ 4.3 |
