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.
The Invisible Ray is a 1936 American science-fiction horror film directed by Lambert Hillyer. It stars Boris Karloff as Dr. Janos Rukh, a scientist who comes in contact with a meteorite composed of an element known as "Radium X". After exposure to its rays begins to make him glow in the dark, his touch becomes deadly, and he begins to be slowly driven mad. Alongside Karloff, the film's cast includes Bela Lugosi, Frances Drake, Frank Lawton, Walter Kingsford, Beulah Bondi, Violet Kemble Cooper, and Nydia Westman.
