Al Adamson ("Dracula vs. Frankenstein") directed this sci-fi opus about bloodsuckers from another world whose attacks on humans prompts scientist John Carradine to send astronauts to investigate the planet. Once there, they find cave people, dinosaurs, and more. Robert Dix also stars; opening sequence narrated by an uncredited Brother Theodore. 85 min. AKA: "Blood Creatures from the Prehistoric Planet," "Creatures of the Red Planet," "Space Mission to the Lost Planet," "Vampire Men of the Lost Planet." Also includes a bonus unreleased Italian-language version of the film. Standard; Soundtracks: English, Italian; audio commentary; theatrical trailer. Plays All Regions.