The Master Key
Before the outbreak of WWII, Nazi sympathizers plot to undermine America.
Top Billed Cast
Milburn Stone
Agent Tom Brant
Jan Wiley
Janet Lowe
Dennis Moore
Jack Ryan
Addison Richards
Gerhard Doenitz / Garret Donahue
Byron Foulger
Prof. Elwood Henderson
Featured Crew
Lewis D. Collins
Director
Ray Taylor
Director
Jack Natteford
Story
Dwight V. Babcock
Story
Joseph O'Donnell
Screenplay
George H. Plympton
Screenplay
Ande Lamb
Screenplay
Morgan Cox
Producer
Irving Birnbaum
Editor
Jack Dolan
Editor
Ace Herman
Editor
Alvin Todd
Editor
Images
