The Invisible Man Returns (1940)

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

Director: Joe May

Cast: Cedric Hardwicke, Vincent Price, Nan Grey, John Sutton, Cecil Kellaway, Alan Napier, Forrester Harvey, Ernie Adams, Jimmy Aubrey, Walter Bacon, Billy Bevan, Clara Blore, Stanley Blystone, Matthew Boulton, Ed Brady, Chet Brandenburg, Louise Brien, Charles Brokaw