The Whispering Shadow, produced in 1933 by Mascot Pictures, was filmed in only 12 days.'The Whispering Shadow' is a criminal mastermind, who has invented a device that makes him invisible, although his shadow can still be seen. He also controls a gang, which he does by television and radio rays.
Jack Norton, whose brother was killed by the Shadow, suspects Professor Strang, played by Bela Lugosi, who owns a wax museum whose figures are remarkably lifelike.
