When a leak of information in the African section of British Intelligence is discovered, a security man is brought in to investigate.
Nicol Williamson
Maurice Castle
Richard Attenborough
Colonel John Daintry
Derek Jacobi
Arthur Davis
John Gielgud
Brigadier Tomlinson
Iman
Sarah
Joop Doderer
Cornelius Muller
Robert Morley
Doctor Percival
Ann Todd
Castle's Mother
