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.
Peter Lorre
Dr. Karl Rothe, alias Dr. Karl Neumeister
Karl John
Hösch, alias Nowak
Helmuth Rudolph
Colonel Winkler
Johanna Hofer
Mrs. Hermann
Renate Mannhardt
Inge Hermann
Eva Ingeborg Scholz
Ursula Weber
Peter Ahrweiler
Oberstleutnant Marquardt
Gisela Trowe
Prostitute
