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.
Robert Hardy Andrews | Screenplay |
Karl Brown | Story |
Robert Hardy Andrews | Story |
Nick Grindé | Director |
Lionel Banks | Art Direction |
Charles Nelson | Editor |
Benjamin H. Kline | Director of Photography |
Wallace MacDonald | Producer |
Morris Stoloff | Music Director |
Clay Campbell | Makeup Artist |