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

Cedric Hardwicke
Richard Cobb

Vincent Price
Geoffrey Radcliffe

Nan Grey
Helen Manson

John Sutton
Dr. Frank Griffin

Cecil Kellaway
Inspector Sampson

Alan Napier
Willie Spears

Forrester Harvey
Ben Jenkins

Ernie Adams
Minor Role (uncredited)
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Release Date
January 12, 1940
Runtime
1h 21m
Genres
Horror, Science Fiction
Director