Lambert Hillyer
Director
Memuat halaman
A scientist becomes murderous after discovering, and being exposed to the radiation of, a powerful new element called Radium X.
22 pemeran tersedia.
Director
Dr. Janos Rukh
Dr. Felix Benet
Diana Rukh
Ronald Drake
Mother Rukh
Sir Francis Stevens
Lady Arabella Stevens
Professor Meiklejohn (Mendelssohn in end credits)
Monsieur Noyer
Chief of the Surete
Bystander
French Newsboy
Mme. LeGrand
Counterman
French Newsboy
Blind Girl's Mother
Infant's Mother
Surete Official Checking Names
Writer
Writer
Writer