The Invisible Ray
Released: January 20, 1936Runtime: 79 min
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.
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Cast & Crew
Top billed cast
Boris Karloff
as Dr. Janos Rukh
Bela Lugosi
as Dr. Felix Benet
Frances Drake
as Diana Rukh
Frank Lawton
as Ronald Drake
Violet Kemble Cooper
as Mother Rukh
Walter Kingsford
as Sir Francis Stevens
Beulah Bondi
as Lady Arabella Stevens
Frank Reicher
as Professor Meiklejohn (Mendelssohn in end credits)
Paul Weigel
as Monsieur Noyer
Georges Renavent
as Chief of the Surete
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