Mysterious Doctor Satan (1940)

A mad scientist plots the domination of America and only the masked hero, The Copperhead, can stop him.

John English

Director

Mack D'Agostino

Actor

Unknown

as musical director (uncredited)

George Allen

as Henchman-Driver Spike [Ch. 8-9] (uncredited)

John Bagni

as Gray - Pick-up Thug [Chs. 14-15] (uncredited)

Lynton Brent

as Scarlett [Chs. 1-5]

Frank Brownlee

as Panamint Pete [Ch. 8] (uncredited)

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