They hear him! They feel him! But they can't stop him!

The owner of a coal mining operation, falsely imprisoned for fratricide, takes a drug to make him invisible, despite its side effect: gradual madness.

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Main Cast: Cedric Hardwicke, Vincent Price, Nan Grey, John Sutton, Cecil Kellaway, Alan Napier, Forrester Harvey, Ernie Adams, Jimmy Aubrey, Walter Bacon

Director: Joe May

Writers: Curt Siodmak, Lester Cole, Joe May

Editor: Frank Gross

Cinematographer: Milton Krasner

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