Basil Dearden
Director
Gina Lollobrigida
Maria Marcello
Sean Connery
Anthony 'Tony' Richmond
Ralph Richardson
Charles Richmond
Alexander Knox
Detective Inspector Lomer
Johnny Sekka
Thomas
Laurence Hardy
Baines
Peter Madden
Yacht Captain
Danny Daniels
Fenton
Noel Howlett
Assistant Solicitor
Douglas Wilmer
Dr. Murray
A.J. Brown
Third Executive
Robert Bruce
John, the Chauffeur
Georgina Cookson
Guest at Villa Salon
Michael Corcoran
The Cook
George Curzon
Second Executive
Gilda Dahlberg
Guest at Villa Salon
Michael Goodliffe
Solicitor
Ronald Hatton
Mate of Yacht
Peggy Marshall
Wardress
André Morell
Judge
Edward Underdown
First Executive
Joseph Wise
Police Sgt. Peters
George Zenios
Boy at Island Hotel