The Human Factor
Every man in love is a potential traitor.
Thriller
When a leak of information in the African section of British Intelligence is discovered, a security man is brought in to investigate.
Trailer
Cast
Glenna Forster-Jones
Black Prostitute
Robert Dorning
Jameson
Marianne Stone
Matron
Cyd Hayman
Cynthia
Joop Doderer
Cornelius Muller
Gary Forbes
Sam
Angela Thorne
Lady Mary Hargreaves
Tony Haygarth
Buffy
Nicol Williamson
Maurice Castle
Ken Jones
Messenger
Frank Williams
Bellamy
Clifford Earl
Ferguson
Denys Hawthorne
Insp. Butler
John Gielgud
Brigadier Tomlinson
Sean Caffrey
Policeman
Richard Vernon
Sir John Hargreaves
Iman
Sarah
Boris Isarov
Agent
Derek Jacobi
Arthur Davis
Ann Todd
Castle's Mother
Morris Perry
Scientist
Richard Attenborough
Colonel John Daintry
Robert Morley
Doctor Percival
Keith Marsh
Porter
Fiona Fullerton
Elizabeth
Adrienne Corri
Sylvia
Leon Greene
Tall Man
Patrick O'Connell
Reader
Tony Vogel
Matthew Connolly
Martin Benson
Boris
Jill Goldston
NATO Lab Worker (uncredited)