Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Actor | Psico | 1960 | Norman Bates |
| Actor | Um Crime no Expresso do Oriente | 1974 | Hector MacQueen |
| Actor | Psicose 2 | 1983 | Norman Bates |
| Actor | Psicose 3 | 1986 | |
| Director | Psicose 3 | 1986 | |
| Actor | Psicose 4 - O Começo | 1990 | Norman Bates |
| Actor | Abismo Negro | 1979 | Dr. Alex Durant |
| Actor | O Processo | 1962 | Josef K. |
| Actor | Paris Já Está a Arder? | 1966 | Sgt. Warren |
| Actor | Fifty Shades of Erotica | 2015 | |
| Actor | Chucky Invades Psycho | 2013 | Norman Bates |
| Actor | Ardil 22 | 1970 | Chaplain Capt. A.T. Tappman |
| Writer | A Charada da Morte | 1973 | |
| Actor | 78/52 | 2017 | Himself |
| Actor | A Hora Final | 1959 | Lt. Peter Holmes |
| Actor | As Noites de China Blue | 1984 | Rev. Peter Shayne |
| Actor | The Life and Times of Judge Roy Bean | 1972 | Reverend LaSalle |
| Actor | Green Mansions | 1959 | Abel |
| Actor | Mahogany | 1975 | Sean McAvoy |
| Actor | Sublime Tentação | 1956 | Josh Birdwell |
| Actor | O Homem dos Olhos Frios | 1957 | Sheriff Ben Owens |
| Actor | North Sea Hijack | 1980 | Lou Kramer |
| Actor | Tab Hunter Confidential | 2015 | Himself (archive footage) |
| Actor | Goodbye Again | 1961 | Philip Van der Besh |
| Actor | Pretty Poison | 1968 | Dennis Pitt |
| Actor | Edge of Sanity | 1989 | Dr. Henry Jekyll / Jack 'The Ripper' Hyde |
| Actor | Winter Kills | 1979 | John Cerruti |
| Actor | A Ravishing Idiot | 1964 | Harry Compton / Nicolas Sergueiovitch Maukouline |
| Actor | Chillers | Host | |
| Actor | Daughter of Darkness | 1990 | Anton |
| Actor | Tall Story | 1960 | Ray Blent |