

Black Friday (1940)
Overview
University professor George Kingsley is struck by gangsters while crossing the street, leaving him with brain damage and one of the gangsters, Cannon, paralyzed. Kingsley's friend Dr. Sovac attends to both men, and when Cannon offers him a reward for aiding his recovery, Kovac transplants part of Cannon's brain into the dying Kingsley's skull, creating a dual personality.
Overview
University professor George Kingsley is struck by gangsters while crossing the street, leaving him with brain damage and one of the gangsters, Cannon, paralyzed. Kingsley's friend Dr. Sovac attends to both men, and when Cannon offers him a reward for aiding his recovery, Kovac transplants part of Cannon's brain into the dying Kingsley's skull, creating a dual personality.

Stanley Ridges
Prof. George Kingsley / Red Cannon

Boris Karloff
Dr. Ernest Sovac

Bela Lugosi
Eric Marnay

Anne Nagel
Sunny Rogers

Anne Gwynne
Jean Sovac

Virginia Brissac
Mrs. Margaret Kingsley

Edmund MacDonald
Frank Miller

Paul Fix
William Kane