Dr. Clive Riordan
Robert Newton
Bill Kronin
Phil Brown
Policeman at Garage
Stanley Baker
Detective at Garage
Russell Waters
American Sailor Promoting Book
Michael Balfour
Club steward
Sam Kydd
Ernest Clark
Club Member
Lyonel Watts
Storm Riordan
Sally Gray
Supt. Finsbury
Naunton Wayne
Aitkin (butler)
James Harcourt
Miss Stevens (receptionist)
Betty Cooper
The Colonel, blustery club member
Allan Jeayes
Talkative, balding club member
Ronald Adam
Bespectacled third club member, from Whitehall
Roddy Hughes
Mrs. Humphries
Olga Lindo
Original Music Composer
Nino Rota
Director
Edward Dmytryk
Assistant Art Director
Ken Adam
Dialogue Coach
Camera Operator
Robert Day
Novel
Alec Coppel
Screenplay
Producer
Nat A. Bronstein
Director of Photography
C.M. Pennington-Richards
Editor
Lito Carruthers
Art Direction
Duncan Sutherland
Hairstylist
Betty Baugh
Makeup Artist
Stuart Freeborn
Production Manager
Kenneth Horne
Assistant Director
George Mills
Associate Producer
Sound Recordist
Jack Locke
Gordon K. McCallum
Sound Editor
Winston Ryder
Conductor
Louis Levy
Continuity
Barbara Cole
Dialogue