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.
| Year | 1940 |
| Country |
USA |
| Director |
Nick Grinde |
| Casting |
Boris Karloff, Evelyn Keyes, Bruce Bennett, Edward Van Sloan, Ben Taggart, Pedro de Cordoba, Wright Kramer, Bertram Marburgh, Don Beddoe, Robert Fiske, Kenneth MacDonald, Frank Richards, Ernie Adams, Stanley Brown, Frederick Burton |
| Genre |
Crime, Horror, Sci-Fi |
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