Cast (15)

Boris Karloff

Dr. Janos Rukh

Bela Lugosi

Dr. Felix Benet

Frank Lawton

Ronald Drake

Frances Drake

Diana Rukh

Violet Kemble Cooper

Mother Rukh

Beulah Bondi

Lady Arabella Stevens

Walter Kingsford

Sir Francis Stevens

Paul Weigel

Monsieur Noyer

Frank Reicher

Professor Meiklejohn

Georges Renavent

Chief of the Surete

May Beatty

Mme. LeGrand (uncredited)

Paul McAllister

Papa LaCosta (uncredited)

Nydia Westman

Briggs (uncredited)

Ynez Seabury

Celeste (uncredited)

Robert Graves

Gendarme (uncredited)

Crew (17)

John Colton

Screenplay

Howard Higgin

Original Story

Lambert Hillyer

Director

George Robinson

Director of Photography

Charles Carroll

Sound Recordist

Camille Collins

Production Secretary

Edmund Grainger

Producer

Franz Waxman

Original Music Composer

Fred S. Meyer

Executive Producer

Jack Pierce

Makeup Artist

Albert S. D'Agostino

Art Direction

Douglas Hodges

Story

Otto Lederer

Makeup Artist

Bernard W. Burton

Editor

Gilbert Kurland

Sound Supervisor

John P. Fulton

Visual Effects

Raymond Lindsay

Special Effects