The Invisible Ray - Cast

Boris Karloff

Dr. Janos Rukh
Actor

Bela Lugosi

Dr. Felix Benet
Actor

Frank Lawton

Ronald Drake
Actor

Frances Drake

Diana Rukh
Actor

Violet Kemble Cooper

Mother Rukh
Actor

Beulah Bondi

Lady Arabella Stevens
Actor

Walter Kingsford

Sir Francis Stevens
Actor

Paul Weigel

Monsieur Noyer
Actor

Frank Reicher

Professor Meiklejohn
Actor

Georges Renavent

Chief of the Surete
Actor

May Beatty

Mme. LeGrand (uncredited)
Actor

Paul McAllister

Papa LaCosta (uncredited)
Actor

Nydia Westman

Briggs (uncredited)
Actor

Ynez Seabury

Celeste (uncredited)
Actor

Robert Graves

Gendarme (uncredited)
Actor