The Invisible Ray
movie

Delving into new, strange fields of mystery!
Released January 20, 1936
Overview
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
as
Dr. Janos Rukh

Bela Lugosi
as
Dr. Felix Benet

Frank Lawton
as
Ronald Drake

Frances Drake
as
Diana Rukh

Violet Kemble Cooper
as
Mother Rukh

Beulah Bondi
as
Lady Arabella Stevens

Walter Kingsford
as
Sir Francis Stevens

Paul Weigel
as
Monsieur Noyer

Frank Reicher
as
Professor Meiklejohn

Georges Renavent
as
Chief of the Surete

May Beatty
as
Mme. LeGrand (uncredited)

Paul McAllister
as
Papa LaCosta (uncredited)
Crew
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Howard Higgin
as
Original Story

Lambert Hillyer
as
Director
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John Colton
as
Screenplay
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George Robinson
as
Director of Photography
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Charles Carroll
as
Sound Recordist
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Camille Collins
as
Production Secretary

Franz Waxman
as
Original Music Composer
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Bernard W. Burton
as
Editor
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Raymond Lindsay
as
Special Effects
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Edmund Grainger
as
Producer
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Fred S. Meyer
as
Executive Producer
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Douglas Hodges
as
Story