![Dr. Cyclops](https://image.tmdb.org/t/p/w500/33x6Y8r3mp4jw8SdlHdwDp2CA49.jpg)
Plot
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.
Trailer
Cast
![Albert Dekker](https://image.tmdb.org/t/p/w500/pgvLnzm4NuJQZiSRVhpQDz8QUYT.jpg)
Albert Dekker
Dr. Alexander Thorkel
![Thomas Coley](https://image.tmdb.org/t/p/w500/qcx54StExjzxjzwssrUPrBCDpzo.jpg)
Thomas Coley
Bill Stockton
![Janice Logan](https://image.tmdb.org/t/p/w500/73JJItjL0v2k7UeNDCC621Q4sQU.jpg)
Janice Logan
Dr. Mary Robinson
![Charles Halton](https://image.tmdb.org/t/p/w500/t3M7SJbcKxM2Nz7H46BAJ1A2MKm.jpg)
Charles Halton
Dr. Rupert Bulfinch
![Victor Kilian](https://image.tmdb.org/t/p/w500/ttUYIWR5VLVr4YDgCu9ewoJQSjt.jpg)
Victor Kilian
Steve Baker
![Frank Yaconelli](https://image.tmdb.org/t/p/w500/q0p6jKMB1zGQo87leYUR3VGlUmc.jpg)
Frank Yaconelli
Pedro
![Paul Fix](https://image.tmdb.org/t/p/w500/jz7oZgyAR4TkIkSJ3knA66NEu9E.jpg)
Paul Fix
Dr. Mendoza
![Frank Reicher](https://image.tmdb.org/t/p/w500/5q5kXKMDiBg7MrdcSdU5CZSQTgS.jpg)
Frank Reicher
Prof. Kendall
![Jane Webb](https://image.tmdb.org/t/p/w500/hBp1b9QNGjtZTjvTx1sOTEogSvM.jpg)
Jane Webb
Woman
![Billy Wilkerson](/images/avatar.webp)
Billy Wilkerson
Silent Indian