Cast
- James Garner as William Beddoes
- Melina Mercouri as Aurora
- Melina Mercouri as Celeste da Costa
- Sandra Dee as Amy Franklin
- Anthony Franciosa as Steve
- Anthony Franciosa as Antonio
- Robert Coote as Hatton
- Robert Coote as Jones
- Roland Culver as Doctor Mathieson
- Grégoire Aslan as Florian
- Cecil Parker as Sir Huntley Frazier
- Dulcie Gray as Mrs. Mathieson
- Martin Benson as Politanu
Crew
- Ronald Neame · Director
- Cliff Owen · Director
- Richard L. Breen · Writer
- T.E.B. Clarke · Writer
- David E. Walker · Writer
- Robert Arthur · Producer
- Bert Kaempfert · Composer
- Gábor Pogány · Cinematographer
- Alma Macrorie · Editor