Cast principale
Walter Pidgeon
Nicholas 'Nick' Carter, aka Robert Chalmers
Rita Johnson
Lou Farnsby
Henry Hull
John A. Keller
Stanley Ridges
Doctor Frankton (as Stanley C. Ridges)
Donald Meek
Bartholomew, the bee man
Addison Richards
Streeter - President of Radex
Henry Victor
Hammil - tall spy boss
Milburn Stone
Krebs - 2d hurt worker