When a leak of information in the African section of British Intelligence is discovered, a security man is brought in to investigate.
Maurice Castle
Colonel John Daintry
Arthur Davis
Brigadier Tomlinson
Sarah
Cornelius Muller
Doctor Percival
Castle's Mother
Dr Barker
Porter
Sam
Lady Mary Hargreaves
Buffy
Cynthia
Shop Assistant
Messenger
Elizabeth
Matthew Connolly
Boris
Sylvia
Edward
Matron
Colin
Bellamy
Gen. Phillips
Policeman
Ferguson
Mrs Halliday
Insp. Butler
Black Prostitute
Scientist
Sir John Hargreaves
Van Donck
Black Man
Questioner
Castle's Secretary
Judge
Tall Man
Jameson
Reader
Secretary
Agent
Halliday
Stripper
NATO Lab Worker (uncredited)
