Mysterious Island (1951)
Cast: Richard Crane, Marshall Reed
Mysterious Island is a 1951 American 15-chapter movie serial from Columbia Pictures, the studio's 46th, that stars Richard Crane, Marshall Reed, Karen Randle, and Ralph Hodges. It is an adaptation of Jules Verne's 1874 novel, The Mysterious Island. As in the original story, which was Verne's follow-up to Twenty Thousand Leagues Under the Sea, this serial is set in 1865. However, Columbia's screenwriters added alien Mercurians as an additional set of villains. The serial has been labeled a space opera version of Verne's novel.