Navy Commander Alan Roberts is assigned to lead an expedition to Little America in Antarctica to investigate reports of a mysterious warm water inland lake discovered a decade earlier. His helicopter and its small party, including reporter Maggie Hathaway, is forced down into a volcanic crater by a fierce storm. They find themselves trapped in a lush tropical environment that has survived from prehistoric times.
Cast & crew
Virgil W. VogelDirector
Jock MahoneyCommander Harold 'Alan' Roberts
Shirley PattersonMargaret 'Maggie' Hathaway
William ReynoldsLt. Jack Carmen
Henry BrandonDr. Carl Hunter
Douglas KennedyCapt. Burnham
Phil HarveyMachinist's Mate Steve Miller
Kenner G. KempOfficer at Briefing / Officer on Ship (uncredited)
Bing RussellRadio Operator (uncredited)
