A physician on death row for a mercy killing is allowed to experiment on a serum using a criminals' blood, but secretly tests it on himself. He gets a pardon, but finds out he's become a Jekyll-&-Hyde.
Starring:
Boris Karloff (Dr. John Garth) Evelyn Keyes (Martha Garth) Bruce Bennett (Dr. Paul Ames) Don Beddoe (Capt. McGraw) Edward Van Sloan (Dr. Ralph Howard) Ben Taggart (Warden Thompson) Pedro de Cordoba (Victor Sondini) Wright Kramer (George Wharton) Bertram Marburgh (Stephen Barclay) Robert Fiske (District Attorney)Director:
Nick GrindéWriter:
Robert Hardy AndrewsChoose the available date.