12/01/1940
The owner of a coal mining operation, falsely imprisoned for fratricide, takes a drug to make him invisible, despite its side effect: gradual madness.
Cedric Hardwicke
as Richard Cobb
Vincent Price
as Geoffrey Radcliffe
Nan Grey
as Helen Manson
John Sutton
as Dr. Frank Griffin
Cecil Kellaway
as Inspector Sampson
Alan Napier
as Willie Spears
Forrester Harvey
as Ben Jenkins
Ernie Adams
as Minor Role (uncredited)
Jimmy Aubrey
as Plainclothesman (uncredited)
Walter Bacon
as Fight Spectator (uncredited)
Billy Bevan
as Jim (uncredited)
Clara Blore
as Woman (uncredited)
Stanley Blystone
as Minor Role (uncredited)
Matthew Boulton
as Policeman (uncredited)
Ed Brady
as Policeman (uncredited)
Chet Brandenburg
as Miner at Colliery (uncredited)
Louise Brien
as Griffin's Secretary (uncredited)
Charles Brokaw
as Minor Role (uncredited)
Jean Brooks
as Minor Role (uncredited)
Tom Coleman
as Miner at Colliery (uncredited)
Frank Coletti
as Minor Role (uncredited)
Harry Cording
as Miner (uncredited)
Paul England
as Detective (uncredited)
Rex Evans
as Constable Briggs (uncredited)
Mary Field
as Passerby at Willie's House (uncredited)
Edward Fielding
as Prison Governor (uncredited)
Raoul Freeman
as Detective (uncredited)
Mary Gordon
as Cookie (uncredited)
Sidney Grayler
as Minor Role (uncredited)
Kit Guard
as Miner at Colliery (uncredited)
Frank Hagney
as Bill (uncredited)
Bobby Hale
as Miner at Colliery (uncredited)
Barry Hays
as Minor Role (uncredited)
Frank Hill
as Policeman (uncredited)
Leyland Hodgson
as Chauffeur (uncredited)
Hugh Huntley
as Secretary (uncredited)
George Hyde
as Miner at Radcliffe Colliery (uncredited)
Ellis Irving
as Miner at Radcliffe Colliery (uncredited)
Boyd Irwin
as Minor Role (uncredited)
Dick Johnstone
as Miner at Colliery (uncredited)
Colin Kenny
as Plainclothesman (uncredited)
George Kirby
as Miner at Radcliffe Colliery (uncredited)
Bruce Lester
as Chaplain (uncredited)
George Lloyd
as Miner at Radcliffe Colliery (uncredited)
Jack Low
as Miner at Colliery (uncredited)
Edmund MacDonald
as Miner at Radcliffe Colliery (uncredited)
William Newell
as Minor Role (uncredited)
Frank O'Connor
as Constable at Coal Train (uncredited)
Alexander Pollard
as Footman (uncredited)
Frances Robinson
as Clinic Nurse (uncredited)
Robert Robinson
as Miner at Colliery (uncredited)
Ivan F. Simpson
as Mr. Cotton (uncredited)
Harry Stubbs
as Constable Tewsbury (uncredited)
Denis Tankard
as Miner at Radcliffe Colliery (uncredited)
Cyril Thornton
as Policeman (uncredited)
David Thursby
as Bob (uncredited)
Crane Whitley
as Minor Role (uncredited)
Eric Wilton
as Fingerprint Expert (uncredited)
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