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

Director

Bernard B. Brown

Actor

Charles Henderson

Actor

Jack P. Pierce

Actor

Boris Karloff

as Dr. Ernest Sovac

Bela Lugosi

as Eric Marnay

Jessie Arnold

as Nurse (uncredited)

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