Two Lost Worlds

Two Lost Worlds is a 1951 science fiction/adventure film directed by Norman Dawn and starring James Arness and Kasey Rogers. The film was produced independently by Boris Petroff, who wrote the original story, which was adapted by Phyllis Parker and Tom Hubbard into a screenplay written by Hubbard. The film was distributed by Eagle-Lion Films.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.