Before I Hang 1940 DVD - Boris Karloff / Evelyn Keyes

A physician on death row for a mercy killing is granted permission to experiment with a serum derived from a criminal's blood. Secretly, he tests the serum on himself. After receiving a pardon, he discovers that the serum transforms him into a Jekyll-and-Hyde-like figure. Cast: - Boris Karloff as Dr. John Garth - Evelyn Keyes as Martha Garth - Bruce Bennett as Dr. Paul Ames - Edward Van Sloan as Dr. Ralph Howard - Ben Taggart as Warden Thompson - Pedro de Cordoba as Victor Sondini - Wright Kramer as George Wharton - Bertram Marburgh as Stephen Barclay Runtime: 62 minutes