The Invisible Ray

Boris Karloff

as

Dr. Janos Rukh

Bela Lugosi

as

Dr. Felix Benet

Frank Lawton

as

Ronald Drake

Frances Drake

as

Diana Rukh

Violet Kemble ...

as

Mother Rukh

Beulah Bondi

as

Lady Arabella ...

Walter Kingsfo...

as

Sir Francis St...

Paul Weigel

as

Monsieur Noyer

Frank Reicher

as

Professor Meik...

Georges Renave...

as

Chief of the S...

May Beatty

as

Mme. LeGrand (...

Paul McAllister

as

Papa LaCosta (...

Nydia Westman

as

Briggs (uncred...

Ynez Seabury

as

Celeste (uncre...

Robert Graves

as

Gendarme (uncr...