Before I Hang
- Ano: 1940
- País: United States of America
- Xénero: Crime, Horror, Science Fiction
- Estudo: Columbia Pictures
- Palabra clave: experiment, mad scientist, murder, doctor, pianist, pardon, split personality, anti-aging, mercy killing, convicted murderer, youth serum
- Director: Nick Grindé
- Reparto: Boris Karloff, Evelyn Keyes, Bruce Bennett, Don Beddoe, Edward Van Sloan, Ben Taggart