- Writer:
- Patrick Alexander
- Producer:
- Alvin Rakoff
- Guitarist [musician]:
- William Thomson
- Designer:
- Guy Sheppard
- Prisoner:
- John Westbrook
- Officer of the Guard:
- Edward Mulhare
- Priest:
- Percy Cartwright
- Warder:
- Denis Shaw
- Guitarist [acting role]:
- Patrick Troughton
- Prison Governor:
- Andre Morell
- Minister of the Interior:
- Elwyn Brook-Jones
- Governor's secretary:
- Carl Duering
- [Actor]:
- Reginald Atkinson
- [Actor]:
- John Atkinson
- [Actor]:
- Patrick Bedford
- [Actor]:
- Michael Collins
- [Actor]:
- John Dunbar
- [Actor]:
- Peter Doughty
- [Actor]:
- John Foster
- [Actor]:
- Jeffrey Gardiner
- [Actor]:
- Charles Gillespie
- [Actor]:
- Michael Harrison
- [Actor]:
- Philip Howard
- [Actor]:
- Michael Ivan
- [Actor]:
- Aubrey Lewin
- [Actor]:
- Patrick Milner
- [Actor]:
- Frank Marlborough
- [Actor]:
- Frank Pemberton
- [Actor]:
- William Patenall
- [Actor]:
- Gregory Scott
- [Actor]:
- Anthony Sheppard
- [Actor]:
- Luigi Vecchione
- [Actor]:
- Henry Soskin
- [Actor]:
- Kenneth Warren
- [Actor]:
- Richard Wharton
- [Actor]:
- Sean Connery