Obsada:
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Boris Karloff
Dr. Janos Rukh
-
Bela Lugosi
Dr. Felix Benet
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Frances Drake
Diane Rukh
-
Violet Kemble Cooper
Mother Rukh
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Walter Kingsford
Sir Francis Stevens
-
Beulah Bondi
Lady Arabella Stevens
-
Frank Reicher
Professor Meiklejohn
-
Paul Weigel
Monsieur Noyer
-
Georges Renavent
Chief of the Surete
-
Ernie Adams
Bit part
-
Ricca Allen
Bystander
-
Charles Bastin
French Newsboy
-
May Beatty
Mme. LeGrand
-
Ted Billings
Counterman
-
Ernest Bowern
French Newsboy
-
Helen Brown
The Blind Girl's Mother
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Daisy Bufford
Mother of Infant
-
André Cheron
Surete Official Checking Names
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Alex Chivra
Cook
-
Ann Marie Conte
The Blind Girl
-
Edwards Davis
Scientist
-
Jean De Briac
Gendarme
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Dudley Dickerson
Safari Member
-
Charles Fallon
Gentleman
-
Constant Franke
Police Detective
-
Clarence Gordon
Porter and Servant
-
Robert Graves
Gendarme
-
Winter Hall
The Minister
-
Daniel L. Haynes
Rukh's Head Bearer
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Isabel La Mal
Bystander
-
Francisco Marán
Gendarme
-
Alphonse Martell
Surete Official Checking Names
-
Paul McAllister
Papa LaCosta
-
Etta McDaniel
Diane's Safari Attendant
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Walter Miller
The Derelict
-
Edward Reinach
Scientist
-
Hans Schumm
The Clinic Valet
-
Ynez Seabury
Celeste - a Maid
-
Lawrence Stewart
The Runner-boy
-
Adele St. Mauer
Mme. Noyer
-
Fred 'Snowflake' Toones
Native Who First Sees Rukh Glow
-
Ray Turner
Bearer with Geiger Counter
-
Lucio Villegas
Pierre - a Butler
-
Nydia Westman
Briggs - a Maid
-
Lloyd Whitlock
Scientist
