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.
- Created by
- Ernest B. Schoedsack
- Origin
- US
- TMDB rating
- 6.2 / 10 · 73 votes
