Tráiler
Reparto
Lugosi Béla
Dr. Melcher/ Monsieur Colomb
Clayton Moore
FBI Agent Richard ‘Dick’ Martin
Joan Barclay
Alice Saunders
George Pembroke
Dr. William Saunders
Robert Frazer
Amos Hanlin
Kenneth Harlan
FBI Chief Colton
I. Stanford Jolley
The Dragon
Robert Fiske
Phillip Wallace
Edward Peil Sr.
Ryder
Max Hoffman Jr.
Kearney
Frank Melton
FBI Agent