Black Friday (1940)

Black Friday is a 1940 American science fiction horror film. It was the last of a group of films to pair Boris Karloff and Bela Lugosi.

Plot
In order to save his friend's life, a doctor transplants the brain of a gangster into a professor's body. The result causes a split personality.

Cast

 * Boris Karloff as Dr. Ernest Sovac
 * Bela Lugosi as Eric Marnay
 * Stanley Ridges as Prof. George Kingsley
 * Anne Nagel as Sunny Rogers
 * Anne Gwynne as Jean Sovac
 * Virginia Brissac as Mrs. Margaret Kingsley
 * Edmund MacDonald as Frank Miller
 * Paul Fix as William Kane
 * Murray Halper as Bellhop
 * Jack Mulhall as Bartender