Nicol Williamson
- Compleanno:
- 09/14/1936
- Luogo di nascita:
- Hamilton, South Lanarkshire, Scotland, UK:
 | Spawn (1997) Cogliostro |
 | The Wind in the Willows (1996) Badger |
 | The Hour of the Pig (1993) Seigneur Jehan d'Auferre |
 | Audrey Hepburn: Remembered (1993) Self (archive footage) |
 | The Exorcist III (1990) Father Morning |
 | Passion Flower (1987) Albert Coskin |
 | Black Widow (1987) William McCrory |
 | Return to Oz (1985) Dr. Worley / Nome King |
 | To Be Hamlet (1985) Self |
 | Sakharov (1984) Malyarov |
 | Macbeth (1983) Macbeth |
 | I'm Dancing as Fast as I Can (1982) Derek Bauer |
 | Venom (1981) Cmdr. William Bulloch |
 | Excalibur (1981) Merlin |
 | The Human Factor (1979) Maurice Castle |
 | The Cheap Detective (1978) Colonel Schlissel |
 | The Goodbye Girl (1977) Oliver Fry (uncredited) |
 | The Seven-Per-Cent Solution (1976) Sherlock Holmes |
 | Robin and Marian (1976) Little John |
 | The Wilby Conspiracy (1975) Major Horn |
 | I Know What I Meant (1974) Richard Nixon |
 | The Gangster Show: The Resistible Rise of Arturo Ui (1972) Arturo Ui |
 | Le Moine (1972) The Duke of Talamur |
 | The Jerusalem File (1972) Professor Lang |
 | The Reckoning (1970) Michael Marler |
 | Hamlet (1969) Hamlet / King Hamlet |
 | Laughter in the Dark (1969) Sir Edward More |
 | Inadmissible Evidence (1968) Bill Maitland |
 | The Bofors Gun (1968) Gunner O'Rourke |
 | Of Mice and Men (1968) Lennie |
 | Horror of Darkness (1965) Robin |
| | The Day of Ragnarok (1965) |
 | The Six-Sided Triangle (1963) The Lover |