The Invisible Ray
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.
- genus: Science Fiction, Horror, Thriller
- Studio: Universal Pictures
- keyword: telescope, paris, france, love triangle, africa, insanity, meteor, radium, revenge, laboratory, scientist, fake death, dead dog, killing a dog, regaining sight
- cast: Boris Karloff, Bela Lugosi, Frank Lawton, Frances Drake, Violet Kemble Cooper, Beulah Bondi