Director
William Nigh
DIRECTOR
Writer
Harvey Gates
WRITER
Robert Kehoe
Stars (in credits order)
Bela Lugosi
Dr. Melcher - aka Monsieur Colomb
Joan Barclay
Alice Saunders
George Pembroke
Dr. Bill Saunders
Clayton Moore
Dick Martin
Robert Frazer
Amos Hanlin
Edward Peil Sr.
Ryder
Robert Fiske
Phillip Wallace
Irving Mitchell
John Van Dyke
Kenneth Harlan
FBI Chief Colton
Max Hoffman Jr.
Kearney
Frank Melton
FBI Agent
Joseph Eggenton
Stevens
I. Stanford Jolley
The Dragon
Jack Cheatham
Policeman (uncredited)
Jack Chefe
Hotel Clerk (uncredited)
Bernard Gorcey
The Cabbie (uncredited)
Jack Holmes
Industrialist (uncredited)
Ethelreda Leopold
Girl at Party (uncredited)
Carl M. Leviness
