Mystery on Monster Island

A young European boy living in San Francisco is reluctant to marry his long-term girlfriend because he wants to travel around the world first. His wealthy uncle agrees to send him on a global expedition aboard his ship, but en route the boy and his travelling companion are shipwrecked on a remote island, populated by countless prehistoric creatures as well as gold-hunting bandits.

• 
  Juan Piquer Simón
• 
  Kuki López Rodero

• 
  Terence Stamp
  Taskinar / Skinner
• 
  Peter Cushing
  William T. Kolderup
• 
  Blanca Estrada
  Dominique Blanchard
• 
  Ana Obregón
  Meg Hollaney / Meg Calderón
• 
  Paul Naschy
  Flynt
• 
  Gérard Tichy
  Captain Turkott
• 
  Ian Sera
  Jeff Morgan
• 
  David Hatton
  Thomas Artelect
• 
  Gasphar Ipua
  Carefinatu
• 
  Frank Braña
  Birling
• 
  Manuel Pereiro
• 
  Daniel Martín
• 
  Luis Barboo