Dr. Eric Vornoff, with the help of his mute assistant Lobo, captures twelve men for a grisly experiment; His goal to turn them into supermen using atomic energy. Reporter Janet Lawton, fiancée of the local lieutenant, vows to investigate Vornoff's supposedly haunted house.
Bela Lugosi
Loretta King
Tony McCoy
Tor Johnson
Harvey B. Dunn
George Becwar
Paul Marco
Dolores Fuller
Ann Wilner
Don Nagel
Bud Osborne
John Warren
William Benedict
Ben Frommer