L'Homme qui n'a jamais existé

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