Stars (in credits order)
André Morell
Prison Governor
John Westbrook
Prisoner
Edward Mulhare
Officer of the Guard
Percy Cartwright
Priest
Denis Shaw
Warder
Patrick Troughton
Guitarist
Elwyn Brook-Jones
Minister of the Interior
Carl Duering
Governor's secretary
John Atkinson
ACTOR
Reginald Atkinson
Patrick Bedford
Michael Collins
Sean Connery
Peter Doughty
John Dunbar
Jeffrey Gardiner
Charles Gillespie
Michael Harrison
Philip Howard
Michael Ivan
Aubrey Lewin
Henry Lincoln
Frank Marlborough
Patrick Milner
William Patenall
Frank Pemberton
Gregory Scott
Anthony Sheppard
Kenneth J. Warren
Richard Whorton