Lost Continent (1951)

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...

Directed by: Sam Newfield

Starring: Cesar Romero, John Hoyt, Hugh Beaumont, Chick Chandler, Sid Melton, Whit Bissell

Links: IMDb, Movie posters, Movie stills