Dr. Cyclops

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.

• 
  Ernest B. Schoedsack
• 
  Hollingsworth Morse

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