"A young soldier uncovers a ring of spies when he investigates his brother's mysterious murder."
Eric Linden
as Greg Carroll
Ben Alexander
as Sgt. Paul
Donald Curtis
as Lt. John Harmon
Ann Doran
as Linda
Constance Worth
as Alma Barton
Weldon Heyburn
as Sgt. Blake
Earle Hodgins
as Wallace
I. Stanford Jolley
as Carl Flegler
Emmett Vogan
as Harold
Bill Cartledge
as Elevator Operator
Jack Cheatham
as Agent Martin
Dudley Dickerson
as Sam Dillingham
Ray Erlenborn
as Pvt. Norton
Robert Frazer
as Capt. Bryant
Boyd Irwin
as Col. Longstreet
George Lynn
as Prof. Carroll
Dennis Moore
as Stanley Hume - 5th Columnist
Bernice Pilot
as Mamie
William Ruhl
as Capt. Gray
Joseph H. Lewis
Director
Arthur Hoerl
Story
Edward Bennett
Screenplay
George R. Batcheller Jr.
Executive Producer
William Strohbach
Assistant Director
Howard Dillinger
Editor
Earl Sheffer
Production Manager
Arthur Martinelli
Director of Photography
E.B. Derr
Producer
