Boris Karloff
Valdar
Margaret Lindsay
Helene von Lorbeer
Bruce Lester
Frank Bennett
Leonard Mudie
James Yeats
Holmes Herbert
Arthur Bennett
Austin Fairman
George Bennett
William Bailey
British Intelligence Agent
Louise Brien
Miss Risdon - Bennett's Secretary
Glen Cavender
Under Officer Pfalz
David Cavendish
Capt. Lanark
Joe De Stefani
German Officer
Carlos De Valdez
Von Ritter
Clarence Derwent
Milkman
Arno Frey
German Junior Officer
