On screen
Cast
45 credited performers
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
Artwork unavailable
Anthony Woodruff
Dr Barker
Keith Marsh
Porter
Gary Forbes
Sam
Angela Thorne
Lady Mary Hargreaves
Tony Haygarth
Buffy
Cyd Hayman
Cynthia
Artwork unavailable
Paul Seed
Shop Assistant
Ken Jones
Messenger
Artwork unavailable
Fiona Fullerton
Elizabeth
Tony Vogel
Matthew Connolly
Martin Benson
Boris
Adrienne Corri
Sylvia
Artwork unavailable
Edward Dentith
Edward
Marianne Stone
Matron
Artwork unavailable
Giles Watling
Colin
Frank Williams
Bellamy
Artwork unavailable
Tom Chatto
Gen. Phillips
Sean Caffrey
Policeman
Clifford Earl
Ferguson
Artwork unavailable
Sylvia Coleridge
Mrs Halliday
Denys Hawthorne
Insp. Butler
Glenna Forster-Jones
Black Prostitute
Morris Perry
Scientist
Richard Vernon
Sir John Hargreaves
Artwork unavailable
Walter Hinds
Van Donck
Artwork unavailable
Philip Chege
Black Man
Artwork unavailable
Norbert Okare
Questioner
Artwork unavailable
Vicky Udall
Castle's Secretary
Artwork unavailable
Brian Epson
Judge
Leon Greene
Tall Man
Robert Dorning
Jameson
Patrick O'Connell
Reader
Artwork unavailable
Raewyn Blade
Secretary
Boris Isarov
Agent
Artwork unavailable
Paul Curran
Halliday
Artwork unavailable
Chantal Gray
Stripper
Jill Goldston
NATO Lab Worker (uncredited)