During WWI pretty German master spy Helene von Lorbeer is sent undercover to London to live with the family of a high-placed British official where she is to rendezvous with the butler Valdar, also a spy, and help him transmit secret war plans back to Germany.
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 |