Cast
Richard Arlen
Mal Stevens
Virginia Bruce
Eleanor Spencer
Gordon Jones
Tex
Matthew Betz
Al Thompson
Paul Fix
Sam
Barbara Pepper
Milly Adams
J. Farrell MacDonald
Mr. Keefer
Bodil Rosing
Mrs. Keefer
Hale Hamilton
Senator Reilly
Sidney Bracey
Butler at Spencer Home
Joseph Crehan
Memory Test Instructor
Bruce Cabot
Joe Keefer
Dorothy Appleby
Lola McArdle
Joyce Compton
Barbara
Christian Rub
Heinrich Henkel
Harry Woods
Big Bill
Harvey Stephens
Van Rensseler
Alice Brady
Aunt Ethel
Eric Linden
Buddy Spencer
Jonathan Hale
Microscopic Expert