Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Actor | Psicosis | 1960 | Norman Bates |
| Actor | Asesinato en el Orient Express | 1974 | Hector MacQueen |
| Actor | Psicosis II: El regreso de Norman | 1983 | Norman Bates |
| Actor | Psicosis III | 1986 | |
| Director | Psicosis III | 1986 | |
| Actor | Psicosis IV: El comienzo | 1990 | Norman Bates |
| Actor | El abismo negro | 1979 | Dr. Alex Durant |
| Actor | El proceso | 1962 | Josef K. |
| Actor | ¿Arde París? | 1966 | Sgt. Warren |
| Actor | Fifty Shades of Erotica | 2015 | |
| Actor | Chucky Invades Psycho | 2013 | Norman Bates |
| Actor | Trampa 22 | 1970 | Chaplain Capt. A.T. Tappman |
| Writer | El Fin de Sheila | 1973 | |
| Actor | 78/52: La escena que cambió el cine | 2017 | Himself |
| Actor | La hora final | 1959 | Lt. Peter Holmes |
| Actor | La pasión de China Blue | 1984 | Rev. Peter Shayne |
| Actor | El juez de la horca | 1972 | Reverend LaSalle |
| Actor | Mansiones verdes | 1959 | Abel |
| Actor | Mahogany, piel caoba | 1975 | Sean McAvoy |
| Actor | La gran prueba | 1956 | Josh Birdwell |
| Actor | Cazador de forajidos | 1957 | Sheriff Ben Owens |
| Actor | Rescate en el Mar del Norte | 1980 | Lou Kramer |
| Actor | Tab Hunter Confidential | 2015 | Himself (archive footage) |
| Actor | No me digas adiós | 1961 | Philip Van der Besh |
| Actor | Un maravilloso veneno | 1968 | Dennis Pitt |
| Actor | Al borde de la locura | 1989 | Dr. Henry Jekyll / Jack 'The Ripper' Hyde |
| Actor | Muertes de invierno | 1979 | John Cerruti |
| Actor | A Ravishing Idiot | 1964 | Harry Compton / Nicolas Sergueiovitch Maukouline |
| Actor | Chillers | Host | |
| Actor | El límite del destino | 1990 | Anton |
| Actor | Tall Story | 1960 | Ray Blent |