John Castle
- Compleanno:
- 01/14/1940
- Luogo di nascita:
- Croydon, Surrey, England, UK:
 | What Hides in Silence (2025) Craig |
 | Secrets Between Sisters (2024) Lyle |
 | Stalked by My Amish Boyfriend (2024) Grant |
 | My Killer Reunion (2023) Ethan |
 | The Tractate Middoth (2013) John Eldred |
 | A Harlot's Progress (2006) Sir John Gonson |
 | Trafalgar Battle Surgeon (2005) Gunner Rivers |
| | Princes in the Tower (2005) Dr. John Argentine |
 | Gods and Generals (2003) Old Penn |
 | Hornblower: Retribution (2001) Captain Collins |
 | The Cater Street Hangman (1998) Rev. Prebble |
 | Animated Epics: Beowulf (1998) Hygelac ( voice ) |
 | The Heart Surgeon (1997) Charlie Hawkesmore |
 | Seasick (1996) Chief Engineer Josif Mantz |
 | Storia di una capinera (1994) Giuseppe |
 | RoboCop 3 (1993) McDaggett |
 | Miss Marple: The Mirror Crack'd from Side to Side (1992) Detective Inspector Craddock |
 | The Crucifer of Blood (1991) Neville St. Claire |
 | Dealers (1989) Frank Mallory |
 | King David (1985) Abner |
 | The Life and Death of King John (1984) Earl of Salisbury |
 | Kim (1984) Narrator (voice) |
| | Heather Ann (1983) Petty Officer |
 | Realm of Darkness - The Elusive Depths of Mexico (1982) Narrator |
 | Judo Champ (1981) Mr Hall |
 | Never Never Land (1980) Jim |
 | Eagle's Wing (1979) The Priest |
| | The Wings of the Dove (1979) Merton |
| | The Three Hostages (1977) Dominick Medina |
 | Eliza Fraser (1976) Captain Rory McBride |
 | The Incredible Sarah (1976) Damala |
 | Man of La Mancha (1972) Sanson Carrasco / The Duke |
 | Made (1972) Father Dyson |
 | Antony and Cleopatra (1972) Octavius Caesar |
| | The Promise (1969) |
 | The Lion in Winter (1968) Geoffrey |
 | If There Weren't Any Blacks You'd Have to Invent Them (1968) |
 | A Night Out (1967) Seeley |
 | Blow-Up (1966) Bill |