Before the outbreak of WWII, Nazi sympathizers plot to undermine America.
Milburn Stone
Agent Tom Brant
Jan Wiley
Janet Lowe
Dennis Moore
Jack Ryan
Addison Richards
Gerhard Doenitz / Garret Donahue
Byron Foulger
Prof. Elwood Henderson
Maris Wrixon
Dorothy Newton
Sarah Padden
Aggie
George Lynn
Herman
Russell Hicks
Police Chief Michael J. O'Brien
Roland Varno
Arnold Hoffman
Lash LaRue
Migsy
Jerry Shane
Dan
Neyle Morrow
Spike
John Eldredge
Walter Stark
George H. Plympton
Screenplay
Ray Taylor
Director
Jack Natteford
Story
Joseph O'Donnell
David Sharpe
Stunts
Ace Herman
Editor
Irving Birnbaum
Ken Terrell
Dale Van Sickel
Carl Mathews
Jack Dolan
Lewis D. Collins
Edgar Zane
Chuck Hamilton
Ande Lamb
Alvin Todd
Tom Steele
Dwight V. Babcock
Morgan Cox
Producer
Maury Gertsman
Director of Photography
William A. Sickner
