The Invisible Ray
Delving into new, strange fields of mystery!
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.
- Genre: 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