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.
Cast
Crew
Ernest B. Schoedsack
Director
Malcolm Stuart Boylan
Screenplay
Tom Kilpatrick
Screenplay
Ellsworth Hoagland
Editor
Henry Sharp
Director of Photography
Hollingsworth Morse
Assistant Director
William LeBaron
Executive Producer
Merian C. Cooper
Producer
Dale Van Every
Producer
Charles Gemora
Makeup Artist
Harry Lindgren
Sound Recordist
Richard Olson
Sound Recordist
Gerard Carbonara
Original Music Composer
Albert Hay Malotte
Original Music Composer
Ernst Toch
Original Music Composer
A. E. Freudeman
Set Designer
Hans Dreier
Art Direction
A. Earl Hedrick
Art Direction
Robert Odell
Art Direction
