Adventure Horror Sci-Fi
Four explorers are summoned to Peru by the brilliant physicist Dr Thorkel. They discover a rich source of radium and a half-mad Thorkel who shrinks them down to one-fifth their normal size when they threaten to stop his unorthodox experimentation.
Directed by
Ernest B. Schoedsack
Paul Fix
Dr. Mendoza
Albert Dekker
Dr. Alexander Thorkel
Frank Reicher
Prof. Kendall
Charles Halton
Dr. Rupert Bulfinch
Victor Kilian
Steve Baker
Frank Yaconelli
Pedro
Charles Gemora
Jane Webb
Woman
Janice Logan
Dr. Mary Robinson
Thomas Coley
Bill Stockton
Billy Wilkerson
Silent Indian

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