Director/a
Ronald Neame
DIRECTOR/A
Reparto (por orden de créditos)
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. Cockburn
Allan Cuthbertson
Vice-Admiral
Joan Hickson
Landlady
Terence Longdon
Larry
Gibb McLaughlin
Club Porter
Miles Malleson
Scientist
William Russell
Joe
William Squire
Lt. Jewell
Richard Wattis
Shop Assistant
Ronald Adam
Adams (uncredited)
William Baskiville
M15 Agent (uncredited)
Gordon Bell
Customs Officer (uncredited)
Nigel Bernard
MI5 Agent (uncredited)
Michael Brill
Doctor (uncredited)
Robert Brown
French (uncredited)
D.A. Clarke-Smith
Consul Laurence (uncredited)
Bill Cummings
Submariner (uncredited)
Carl Duering
German Agent (uncredited)
Wolf Frees
Adm. Canaris (uncredited)
Everley Gregg
Club Matron (uncredited)
Patrick Halpin
American Officer (uncredited)
Lloyd Lamble
Passport Officer (uncredited)
Ewen Montagu
Air Marshal (uncredited)
Brian Oulton
Wills Officer (uncredited)
Cicely Paget-Bowman
Secretary (uncredited)
Michael Peake
Sailor on Submarine (uncredited)
Gerhard Puritz
German Colonel (uncredited)
François Périer
Clerk of British Embassy (uncredited)
Peter Sellers
Winston Churchill (uncredited) (voice)
John Welsh
Bank Manager (uncredited)
Peter Williams
Adm. Mountbatten (uncredited)