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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.
April 12, 1940
Paramount Pictures
10 people
Albert Dekker
Dr. Alexander Thorkel
Acting
Thomas Coley
Bill Stockton
Acting
Janice Logan
Dr. Mary Robinson
Acting
Charles Halton
Dr. Rupert Bulfinch
Acting
Victor Kilian
Steve Baker
Acting
Frank Yaconelli
Pedro
Acting
Paul Fix
Dr. Mendoza
Acting
Frank Reicher
Prof. Kendall
Acting
Jane Webb
Woman (uncredited)
Acting
Billy Wilkerson
Silent Indian (uncredited)
Acting
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