Watch Before I Hang (1940) : Full Movie Online Free 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.
Boris Karloff, Evelyn Keyes, Bruce Bennett, Don Beddoe, Edward Van Sloan, Ben Taggart, Pedro de Cordoba, Wright Kramer, Bertram Marburgh, Robert Fiske, Frank Richards