Nicol Williamson
Maurice Castle
Acting
Richard Attenborough
Colonel John Daintry
Acting
Derek Jacobi
Arthur Davis
Acting
John Gielgud
Brigadier Tomlinson
Acting
Iman
Sarah
Acting
Joop Doderer
Cornelius Muller
Acting
Robert Morley
Doctor Percival
Acting
Ann Todd
Castle's Mother
Acting
Anthony Woodruff
Dr Barker
Acting
Keith Marsh
Porter
Acting
Gary Forbes
Sam
Acting
Angela Thorne
Lady Mary Hargreaves
Acting
Tony Haygarth
Buffy
Acting
Cyd Hayman
Cynthia
Acting
Paul Seed
Shop Assistant
Directing
Ken Jones
Messenger
Acting
Fiona Fullerton
Elizabeth
Acting
Tony Vogel
Matthew Connolly
Acting
Martin Benson
Boris
Acting
Adrienne Corri
Sylvia
Acting
Edward Dentith
Edward
Acting
Marianne Stone
Matron
Acting
Giles Watling
Colin
Acting
Frank Williams
Bellamy
Acting
Tom Chatto
Gen. Phillips
Acting
Sean Caffrey
Policeman
Acting
Clifford Earl
Ferguson
Acting
Sylvia Coleridge
Mrs Halliday
Acting
Denys Hawthorne
Insp. Butler
Acting
Glenna Forster-Jones
Black Prostitute
Acting
Morris Perry
Scientist
Acting
Richard Vernon
Sir John Hargreaves
Acting
Walter Hinds
Van Donck
Acting
Philip Chege
Black Man
Acting
Norbert Okare
Questioner
Acting
Vicky Udall
Castle's Secretary
Acting
Brian Epson
Judge
Acting
Leon Greene
Tall Man
Acting
Robert Dorning
Jameson
Acting
Patrick O'Connell
Reader
Acting
Raewyn Blade
Secretary
Acting
Boris Isarov
Agent
Acting
Paul Curran
Halliday
Acting
Chantal Gray
Stripper
Acting
Jill Goldston
NATO Lab Worker (uncredited)
Acting