Cast
Nick Adams (Astronaut Glenn Amer)Akira Takarada (Astronaut K. Fuji)Jun Tazaki (Dr. Sakurai)Akira Kubo (Tetsuo Teri)Kumi Mizuno (Miss Namikawa)Keiko Sawai (Haruno Fuji)Yoshio Tsuchiya (Controller of Planet X)Takamaru Sasaki (Chairman of Earth Committee)Gen Shimizu (Minister of Defense)Kenzô Tabu (Commander from Planet X)Yoshifumi Tajima (General)Nadao Kirino (Military Aide)Kôji Uno (Namikawa's Associate)Tôru Ibuki (Xian)Kazuo Suzuki (Xian)Fuyuki Murakami (Councilman)Noriko Sengoku (Female Delegate)Someshô Matsumoto (Buddhist Priest)
Director
Ishirô Honda
Synopsis
Astronauts investigate Planet X and encounter the Xiliens, who ask Earth's people to help save their world from "Monster Zero". As one astronaut forms a romance with a mysterious woman, he uncovers the Xilien's true intentions.
