Lost Continent (1951)
Lost Continent is a 1951 science fiction movie directed by Sam Newfield, with a running time of 1h 23m. It stars Cesar Romero, John Hoyt and Hugh Beaumont.
When an experimental atomic rocket crashes somewhere off-radar, its three developing scientists are joined by three Air Force men in tracking it down to a small Pacific island, where it apparently has landed on the plateau of the island's steep-walled, taboo mountain.