一名煤老板被指控杀害兄弟而蒙冤入狱。他不得不服下隐身药剂，尽管这会令他逐渐陷入疯狂……
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)
Walter Bacon
Fight Spectator (uncredited)
Billy Bevan
Jim (uncredited)
Clara Blore
Woman (uncredited)
Stanley Blystone
Matthew Boulton
Policeman (uncredited)
