Overview
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
- Albert Dekker as Dr. Alexander Thorkel
- Thomas Coley as Bill Stockton
- Janice Logan as Dr. Mary Robinson
- Charles Halton as Dr. Rupert Bulfinch
- Victor Kilian as Steve Baker
- Frank Yaconelli as Pedro
- Paul Fix as Dr. Mendoza
- Frank Reicher as Prof. Kendall
- Jane Webb as Woman (uncredited)
- Billy Wilkerson as Silent Indian (uncredited)