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.
| Title | Before I Hang |
|---|---|
| Release Date | 1940-09-17 |
| Runtime | |
| Genres | Crime Horror Science Fiction |
| Production Companies | Columbia Pictures |
| Production Countries | United States of America |
