Storyline:
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 Dr. Thorkel

Janice Logan Dr. Mary Robinson

Charles Halton Dr. Bulfinch

Paul Fix Dr. Mendoza

Frank Reicher Professor Kendall

William Wilkerson Silent Indian (uncredited)

Thomas Coley Bill Stockton

Victor Kilian Steve Baker

Frank Yaconelli Pedro

Jane Webb Woman (uncredited) (unconfirmed)

Medium: Original DVD,

Location: On the Shelf - The Classic Sci-fi Ultimate Collection Vol. 2

Loaned: No

Aspect ratio: 16:9 Widescreen