Craig Stevens

Carl Becker

Faye Emerson

Paula Fengler

John Ridgely

John Trent

Charles Lang

Jim Jackson

Robert Warwick

Dr. Woodford

Frank Reicher

Henry Bremmer

Rex Williams

Hans

Addison Richards

C.G. Travers

Monte Blue

Hugo Mehl

Frank Wilcox

Senior Agent

Roland Drew

Fred Blosser - Chauffeur

George Meeker

Rudolph Dietz

Cliff Clark

Detective Capt. Jarrett

Ray Teal

Casey (uncredited)