Storyline:
A cabal of American industrialists, all fifth-columnists intent on sabotaging the war effort, are methodically murdered by the malevolent Monsieur Colomb. It is only until detective Dick Martin is assigned to the case that everyone's true motives and identities are revealed.

Cast:

Bela Lugosi Dr. Melcher aka Monsieur Colomb / Cell Prisoner

Joan Barclay Alice Saunders

Clayton Moore Dick Martin

Robert Frazer Amos Hanlin

Edward Peil Sr. Ryder

Medium: Original DVD,

Loaned: No

Aspect ratio: 4:3