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