Cast
Robert Warwick
Dr. Woodford
Frank Reicher
Henry Bremmer
Cliff Clark
Detective Capt. Jarrett
Monte Blue
Hugo Mehl
Ray Teal
Casey (uncredited)
John Ridgely
John Trent
Rex Williams
Hans
Frank Wilcox
Senior Agent
George Meeker
Rudolph Dietz
Roland Drew
Fred Blosser - Chauffeur
Addison Richards
C.G. Travers
Craig Stevens
Carl Becker
Faye Emerson
Paula Fengler
Charles Lang
Jim Jackson