cast
- Trevor Howard
- John Bain
- Dorothy Dandridge
- Gianna
- Edmund Purdom
- Peter Carran
- Michael Hordern
- Inspector Farrell
- Paul Stassino
- Juan Montoya
- John Bailey
- Cecil
- Alfred Burke
- Shapley
- Peter Illing
- Pawnbroker
- Barry Keegan
- Corrigan
- Brian Worth
- Airport Guard
- Neville Becker
- Gigolo
- Martin Boddey
- Sir John Middleburgh
- Peter Elliott
- Waiter
- Helen Goss
- Lady Middleburgh
crew
- Laslo Benedek
- Director
- Thomas Clyde
- Producer
- David D. Osborn
- Screenwriter
- Donald MacKenzie
- Book Author
- Donald Ogden Stewart
- Screenwriter
- Desmond Dickinson
- Cinematographer
- Mátyás Seiber
- Composer (Music Score), Musical Direction/Supervision
- Gerald Turney-Smith
- Editor
- Harry White
- Art Director
- Pamela Cornell
- Art Director
- Jim Hydes
- Makeup
