Summary
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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Cast
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)
Jimmy Aubrey
Plainclothesman (uncredited)
Billy Bevan
Jim (uncredited)
Stanley Blystone
Minor Role (uncredited)
Matthew Boulton
Policeman (uncredited)
Ed Brady
Policeman (uncredited)
Chet Brandenburg
Miner at Colliery (uncredited)
Louise Brien
Griffin's Secretary (uncredited)
Charles Brokaw
Minor Role (uncredited)
Jean Brooks
Minor Role (uncredited)
Harry Cording
Miner (uncredited)
Rex Evans
Constable Briggs (uncredited)
Mary Field
Passerby at Willie's House (uncredited)
Edward Fielding
Prison Governor (uncredited)
Mary Gordon
Cookie (uncredited)
Kit Guard
Miner at Colliery (uncredited)
Frank Hagney
Bill (uncredited)
Leyland Hodgson
Chauffeur (uncredited)
Boyd Irwin
Minor Role (uncredited)
Dick Johnstone
Miner at Colliery (uncredited)
Colin Kenny
Plainclothesman (uncredited)
Bruce Lester
Chaplain (uncredited)
George Lloyd
Miner at Radcliffe Colliery (uncredited)
Edmund MacDonald
Miner at Radcliffe Colliery (uncredited)
William Newell
Minor Role (uncredited)
Frank O'Connor
Constable at Coal Train (uncredited)
Frances Robinson
Clinic Nurse (uncredited)
Ivan F. Simpson
Mr. Cotton (uncredited)
Harry Stubbs
Constable Tewsbury (uncredited)
Crane Whitley
Minor Role (uncredited)