Not of This Earth is an independently made 1957 American black-and-white science fiction film produced and directed by Roger Corman, that stars Paul Birch, Beverly Garland, Morgan Jones, William Roerick, and Anna Lee Carroll. The film was written by Charles B. Griffith and Mark Hanna and was distributed by Allied Artists Pictures Corporation as a double feature with Attack of the Crab Monsters. Its theatrical release had a running time of 67 minutes, that was expanded to 70 minutes in 1962 for TV syndication.

Paul Birch was an American actor. He was a film star of 39 movies, 50 stage dramas, and numerous television series, including the Hallmark Hall of Fame (1951).