Walter Pidgeon
Captain Alan Thorndike
Joan Bennett
Jerry Stokes
George Sanders
Major Quive-Smith
John Carradine
Mr. Jones
Roddy McDowall
Vaner
Ludwig Stössel
Doctor
Heather Thatcher
Lady Alice Risborough
Frederick Worlock
Lord Gerald Risborough
Roger Imhof
Captain Jensen
Holmes Herbert
Saul Farnsworthy
Egon Brecher
Jeweler
Eily Malyon
Postmistress
Herbert Evans
Reeves (uncredited)
Charles Bennett
Ted Billings
Sven Hugo Borg
Cyril Delevanti
Cab Driver (uncredited)
Richard Fraser
Douglas Gerrard
William Haade
Olaf Hytten
Piel - Saul's Law Clerk (uncredited)
Kurt Kreuger
German Attaché (uncredited)
Bruce Lester
Lester Matthews
Major (uncredited)
Adolph Milar
Lucien Prival
Otto Reichow
Frederick Vogeding
Wilhelm von Brincken
Frank Benson
Walter Bonn
Carl Ekberg
Adolf Hitler
Arno Frey
Keith Hitchcock
Hans Joby
Adolf E. Licho
Virginia McDowall
Carl Ottmar
John Rogers
Clifford Severn
Robert R. Stephenson
Bobby Hale
Costermonger (uncredited)