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.
Dale Van Every | Producer |
Tom Kilpatrick | Screenplay |
Ellsworth Hoagland | Editor |
Merian C. Cooper | Producer |
Gerard Carbonara | Original Music Composer |
Malcolm Stuart Boylan | Screenplay |
Ernest B. Schoedsack | Director |
Henry Sharp | Director of Photography |
A. E. Freudeman | Set Designer |
Richard Olson | Sound Recordist |