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.
Acting
Karloff's butler villainy—subtle menace in every poured drink.
Cinematography
Shadowy staircases and gaslit paranoia on a B-movie budget.
Production
Warner Bros. wartime efficiency: entire espionage epic in an hour.
Director
Terry O. Morse
Trivia, insights & behind the scenes
US
