Astronauts Glenn and Fuji investigate Planet X and encounter mysterious aliens known as the Xiliens, who ask Earth's people to help save their world from "Monster Zero". In exchange for borrowing Godzilla and Rodan, the Xiliens offer a cure for cancer. As Glenn investigates, he develops a romance with Miss Namikawa and uncovers the Xilien's true intentions.
Nick Adams
as Astronaut F. Glenn
Akira Takarada
as Astronaut K. Fuji
Keiko Sawai
as Haruno Fuji
Kumi Mizuno
as Miss Namikawa
Jun Tazaki
as Dr. Sakurai
Akira Kubo
as Tetsuo Teri
Yoshio Tsuchiya
as Controller of Planet X
Takamaru Sasaki
as Chairman of Earth Committee
Gen Shimizu
as Minister of Defense
Kenzō Tabu
as Commander from Planet X
John Chard
We need from you Monster Zero 1 and Monster Zero 2, Godzilla and Rodan. It's one of those Godzilla movies where you fully understand why some fans of the "Zilla" series positively dislike it. The big atomic lizard is only a bit part player here, and when push comes to shove the monster mayhem is ...