Black Friday (1940)

Dr. Sovac transplants the brain of a gangster into his professor friend's body to save his life, but there is a side effect that causes a dangerous split personality.

Arthur Lubin(1898-1995)

Director

Bernard B. Brown

Actor

Charles Henderson

Actor

Jack P. Pierce

Actor

Boris Karloff(1887-1969)

as Dr. Ernest Sovac

Bela Lugosi(1882-1956)

as Eric Marnay

Jessie Arnold(1884-1955)

as Nurse (uncredited)

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