A German scientist murders his fiancée during World War II when he learns that she has been selling the results of his secret research to the enemy.
Director: Peter Lorre
Screenplay: Axel Eggebrecht, Benno Vigny, Peter Lorre
Producer: Arnold Pressburger
Director of Photography: Václav Vích
Dr. Karl Rothe, alias Dr. Karl Neumeister
Hösch, alias Nowak
Colonel Winkler
Mrs. Hermann
Inge Hermann
Ursula Weber
Oberstleutnant Marquardt
Prostitute