Mysterious Island (1951)

It is 1865 and Union prisoners use a military balloon to escape a Southern prison camp near the end of the Civil War. The balloon drifts for days and finally lands on a mysterious volcanic island with very unusual inhabitants. Also landing, in a better aircraft, is Rulu, a visitor from Mercury. She seeks a radio-active material that will enable her to manufacture an explosive that will destroy the world or, at least, the portion known as Earth in this 15 Chapter Serial from the 1950s.

Directed by: Spencer Gordon Bennet

Starring: Richard Crane, Marshall Reed, Karen Randle, Ralph Hodges, Gene Roth, Hugh Prosser

Links: Columbia Pictures, IMDb, Movie posters, Movie stills