Susan Strasberg
Penny Appleby
Susan Strasberg
Penny Appleby
Ronald Lewis
Robert
Ann Todd
Jane Appleby
Christopher Lee
Doctor Pierre Gerrard
John Serret
Inspector Legrand
Leonard Sachs
Mr. Spratt
Anne Blake
Marie the Maid
Fred Johnson
Father
Madame Lobegue
Swiss Air Hostess (uncredited)
Bernard Browne
Gendarme (uncredited)
Frederick Rawlings
Plainclothes Sergeant (uncredited)
Richard Klee
Plainclothes Sergeant (uncredited)
Brian Jackson
Plainclothes Officer (uncredited)
Heinz Bernard
Plainclothes Officer (uncredited)
Frederick Schrecker
Plainclothes Officer (uncredited)
Gordon Sterne
Policeman (uncredited)
Rodney Burke
Policeman (uncredited)
Clifton Parker
Original Music Composer
Jimmy Sangster
Writer
Michael Carreras
Executive Producer
Eric Boyd-Perkins
Editor
Douglas Slocombe
Director of Photography
Bernard Robinson
Production Design
Jimmy Sangster
Producer
Seth Holt
Director
Desmond Davis
Camera Operator
Eileen Bates
Hairstylist
Stuart Lyons
Casting
Thomas Goswell
Art Direction
Len Shilton
Sound Recordist
Basil Newall
Makeup Artist
Bill Constable
Assistant Art Director
Ian Scoones
Special Effects Assistant
Egil S. Woxholt
Underwater Camera
Terry Lens
Second Assistant Director
Len Harris
Additional Camera
Pamela Mann
Continuity
John Jordan
Underwater Camera
Dora Lloyd
Wardrobe Master
Jim Groom
Sound Editor
John Crome
Assistant Sound Editor
Harry Oakes
Additional Camera
David Tomblin
Assistant Director
George Higgins
Still Photographer
James Needs
Supervising Editor
John Crome
Assistant Editor
Ray Andrew
Clapper Loader
Les Bowie
Special Effects
William Hill
Production Manager
Teddy Mason
Sound Recordist
John Hollingsworth
Music Supervisor
Les Hammond
Sound Recordist