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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.
Where to Watch
Details
- Director
- Ernest B. Schoedsack
- Written by
- Malcolm Stuart Boylan, Tom Kilpatrick
- Produced by
- Dale Van Every, Merian C. Cooper
- Composers
- Albert Hay Malotte, Ernst Toch, Gerard Carbonara
- Cinematographer
- Henry Sharp
- Editor
- Ellsworth Hoagland
- Studio
- Paramount Pictures
- Origin country
- United States
- Runtime
- 1h 16m
- Language
- en
- Also known as
- Doctor Cyclops
- TMDB
- 6.2/10 (72 votes)
- Rotten Tomatoes
- 79% Fresh
- IMDb
- 6.4/10 (3,034 votes)
Released April 12, 1940
Cast
Crew

Ernest B. Schoedsack
Director
No photo
Malcolm Stuart Boylan
Screenplay
No photo
Tom Kilpatrick
Screenplay
No photo
Dale Van Every
Producer

Merian C. Cooper
Producer
No photo
Albert Hay Malotte
Original Music Composer
No photo
Ernst Toch
Original Music Composer
No photo
Gerard Carbonara
Original Music Composer
No photo
Henry Sharp
Director of Photography
No photo
Ellsworth Hoagland
Editor
No photo
William LeBaron
Executive Producer



























