Major Ben McBride organizes a mission to the Antarctic wastes to search for his friend who has been missing in the region for several years. McBride's party find themselves in a world populated by primitive warriors and terrifying prehistoric creatures, all of whom they must evade in order to get back safely

• American International Pictures
• Amicus Productions
• Patrick Wayne
• Doug McClure
• Sarah Douglas
• Dana Gillespie
• Thorley Walters
• Shane Rimmer
• Tony Britton
• John Hallam