On screen
Cast
42 credited performers
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
Character not listed
Frank Benson
Character not listed
Ted Billings
Character not listed
Walter Bonn
Character not listed
Sven Hugo Borg
Character not listed
Cyril Delevanti
Cab Driver (uncredited)
Carl Ekberg
Adolf Hitler
Richard Fraser
Character not listed
Arno Frey
Character not listed
Douglas Gerrard
Character not listed
William Haade
Character not listed
Keith Hitchcock
Character not listed
Olaf Hytten
Piel - Saul's Law Clerk (uncredited)
Hans Joby
Character not listed
Kurt Kreuger
German Attaché (uncredited)
Bruce Lester
Character not listed
Adolf E. Licho
Character not listed
Lester Matthews
Major (uncredited)
Virginia McDowall
Character not listed
Adolph Milar
Character not listed
Carl Ottmar
Character not listed
Lucien Prival
Character not listed
Otto Reichow
Character not listed
John Rogers
Character not listed
Clifford Severn
Character not listed
Robert R. Stephenson
Character not listed
Frederick Vogeding
Character not listed
Wilhelm von Brincken
Character not listed
Bobby Hale
Costermonger (uncredited)