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.
Released: 1940-09-17
Runtime: 62 minutes
Genre: Crime, Horror, Science Fiction
Stars: Boris Karloff, Evelyn Keyes, Don Beddoe, Edward Van Sloan, Ben Taggart, Pedro de Cordoba, Wright Kramer, Bertram Marburgh, Ernie Adams, Frederick Burton, Edward Earle, Richard Fiske, Jack Cheatham, Charles Trowbridge, Bert Moorhouse, Edmund Mortimer, Stanley Brown, Eddie Laughton, James T. Mack, Gohr Van VleckShow all > George McKay, Robert Fiske, Kenneth MacDonald, Sam Harris, John Tyrrell, Bruce Bennett