Manhunt of Mystery Island

Claire Forrest seeks her kidnapped scientist father, hidden somewhere on Mystery Island. He is held and forced to work on diabolical inventions by Captain Mephisto, a costumed villain.

• 
  Wallace Grissell
• 
  Spencer Gordon Bennet
• 
  Yakima Canutt

• 
  Richard Bailey
  Lance Reardon
• 
  Linda Stirling
  Claire Forrest
• 
  Roy Barcroft
  Capt. Mephisto
• 
  Kenne Duncan
  Sidney Brand
• 
  Forrest Taylor
  Prof. William Forrest
• 
  Forbes Murray
  Prof. Harry Hargraves
• 
  Jack Ingram
  Edward Armstrong
• 
  Harry Strang
  Frederick "Fred" Braley
• 
  Ed Cassidy
  Paul Melton
• 
  Frank Alten
  John Raymond
• 
  Lane Chandler
  Police Insp. Reed
• 
  Russ Vincent
  Ruga
• 
  Dale Van Sickel
  Barker / Ritter / Lewis / Frazier / Sardon
• 
  Tom Steele
  Lyons / Bailey
• 
  Duke Green
  Spencer Harvey