Colonel John Daintry
Cornelius Muller
Brigadier Tomlinson
Arthur Davis
Doctor Percival
Castle's Mother
Sir John Hargreaves
Maurice Castle
Sarah
Porter
Doctor Barker
Sam
Lady Mary Hargreaves
Buffy
Halliday
Cynthia
Messenger
Shop Assistant
Stripper
Elizabeth
Scientist
Van Donck
Black Man
Matthew Connolly
Questioner
Castle's Secretary
Judge
Witness
Tall Man (as Leon Green)
Boris
Colin
Matron
Edward
Sylvia
Jameson
Reader
Policeman
Ferguson
General Phipps
Secretary (as Rawyn Blade)
Black Prostitute
Mrs. Halliday
Agent
Inspector Butler
Bellamy
African Dancers (as 'Ipi Tombi' Company)
Buller
NATO Lab Worker (uncredited)
Party Guest (uncredited)
Club Member (uncredited)