![Before I Hang Poster](https://image.tmdb.org/t/p/w500//geAC0ve6IKQCLXdB0OESKAFaJJi.jpg)
Before I Hang
62.00%
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September 17, 1940
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Crime, Horror, Science Fiction
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.
Featured Crew
Robert Hardy Andrews
Screenplay
Nick Grindé
Director
Karl Brown
Story
Cast
![Boris Karloff](https://image.tmdb.org/t/p/w300//fVi0QkiziavXB8HnWk5NzRcnCO1.jpg)
Boris Karloff
Dr. John Garth
![Evelyn Keyes](https://image.tmdb.org/t/p/w300//efzYiYB72V8NoWTs8wItkyVjDQi.jpg)
Evelyn Keyes
Martha Garth
![Bruce Bennett](https://image.tmdb.org/t/p/w300//70GxHSRcIsgSsTVl0hzjxLEA4s7.jpg)
Bruce Bennett
Dr. Paul Ames
![Don Beddoe](https://image.tmdb.org/t/p/w300//9NI9ofN3DlPCuhLhCdTiWYg8C0L.jpg)
Don Beddoe
Capt. McGraw
![Edward Van Sloan](https://image.tmdb.org/t/p/w300//qZ9zAlgNlJ1vefUXb4KDVbC3kVh.jpg)
Edward Van Sloan
Dr. Ralph Howard