Cast
Albert Dekker
Dr. Alexander Thorkel
Thomas Coley
Bill Stockton
Janice Logan
Dr. Mary Robinson
Charles Halton
Dr. Rupert Bulfinch
Victor Kilian
Steve Baker
Frank Yaconelli
Pedro
Paul Fix
Dr. Mendoza
Frank Reicher
Prof. Kendall
Jane Webb
Woman (uncredited)
Billy Wilkerson
Silent Indian (uncredited)
Crew
Malcolm Stuart Boylan
Screenplay
Merian C. Cooper
Producer
Gerard Carbonara
Original Music Composer
Tom Kilpatrick
Screenplay
Dale Van Every
Producer
Henry Sharp
Director of Photography
A. E. Freudeman
Set Designer
Ernest B. Schoedsack
Director
Ellsworth Hoagland
Editor
A. Earl Hedrick
Art Direction
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