96 minutos
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
Astronaut F. Glenn
Akira Takarada
Astronaut K. Fuji
Keiko Sawai
Haruno Fuji
Kumi Mizuno
Miss Namikawa
Jun Tazaki
Dr. Sakurai
Akira Kubo
Tetsuo Teri
Yoshio Tsuchiya
Controller of Planet X
Takamaru Sasaki
Chairman of Earth Committee
Gen Shimizu
Minister of Defense
Kenzō Tabu
Commander from Planet X
Yoshifumi Tajima
General
Haruo Nakajima
Godzilla
Masaki Shinohara
Rodan
Shōichi Hirose
King Ghidorah
Gorō Naya
Astronaut F. Glenn (voice)
Toki Shiozawa
Tetsuo's Mother
Nadao Kirino
Military Aide
Kôji Uno
Namikawa's Associate
Tôru Ibuki
Xian
Kazuo Suzuki
Xian
Fuyuki Murakami
Councilman
Noriko Sengoku
Female Delegate
Someshō Matsumoto
Buddhist Priest
Kamayuki Tsubono
Councilman
Yasuhisa Tsutsumi
Official
Rinsaku Ogata
Scientist
Masaaki Tachibana
Scientist
Yutaka Oka
Reporter
Saburô Iketani
News Reader
Yoshizo Tatake
Xian
Mitsuo Tsuda
Xian
Ryôji Shimizu
Xian
Minoru Itō
Xian
Takuzō Kumagai
Xian
Tadashi Okabe
Reporter
Hideki Furukawa
Xian
