Credits
Cast

Clifton Webb
Lt. Cmdr. Ewen Montagu

Gloria Grahame
Lucy Sherwood

Robert Flemyng
Lt. George Acres

Josephine Griffin
Pam

Stephen Boyd
Patrick O'Reilly

Laurence Naismith
Adm. Cross

Geoffrey Keen
Gen. Nye

Moultrie Kelsall
The Father

Cyril Cusack
Taxi Driver

André Morell
Sir Bernard Spilsbury

Michael Hordern
Gen. Coburn

Allan Cuthbertson
Vice-Admiral

Joan Hickson
Landlady

Terence Longdon
Larry

Gibb McLaughlin
Porter

Miles Malleson
Scientist

William Russell
Joe

William Squire
Lt. Jewell

Richard Wattis
Shop Assistant

Ronald Adam
Adams

Robert Brown
French

Everley Gregg
Club Matron (uncredited)

Lloyd Lamble
Passport Officer (uncredited)

Brian Oulton
Wills Officer (uncredited)

John Welsh
Bank Manager

Peter Sellers
Winston Churchill (voice)
Art

John Hawkesworth
Art Direction
Camera
Arthur Ibbetson
Camera Operator

Oswald Morris
Director of Photography
Costume & Make-Up
Harold Fletcher
Makeup Artist
Directing

Gerry O'Hara
Assistant Director
Erica Masters
Assistant Director

Ronald Neame
Director
Editing
Peter Taylor
Editor
Production
Bob McNaught
Associate Producer
André Hakim
Producer
Sound
Muir Mathieson
Conductor
Alan Rawsthorne
Original Music Composer
Winston Ryder
Sound Editor
Basil Fenton-Smith
Sound Mixer
J.B. Smith
Sound Mixer
Visual Effects
Tom Howard
Visual Effects
Writing
Ewen Montagu
Book
Nigel Balchin
Screenplay