Dr. Janos Rukh discovers a certain type of radium that has almost magical healing properties. But the element has a dangerous side, too, and it has already started affecting Rukh. Consumed by paranoia, he begins to suspect that his wife is having an affair. Wild for revenge, Rukh hatches a deadly plot...using his own poisoned body as a weapon to kill.

Cast:Boris Karloff, Bela Lugosi, Frank Lawton, Frances Drake, Violet Kemble Cooper, Beulah Bondi,

Genre:Science Fiction, Horror, Thriller,

country:United States of America,

Production:Universal Pictures,