Obsada:

• 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
• Kenzo Tabu Commander from Planet X
• Yoshifumi Tajima General
• Nadao Kirino Military Aide
• Koji Uno Namikawa's Associate
• Toru Ibuki Xian
• Kazuo Suzuki Xian
• Fuyuki Murakami Councilman
• Noriko Sengoku Female Delegate
• Senshô Matsumoto Buddhist Priest
• Kamayuki Tsubono Councilman
• Gorô Naya Councilman
• Toki Shiozawa Tetsuo's Mother
• Yasuhisa Tsutsumi Official
• Rinsaku Ogata Scientist
• Yutaka Oka Reporter
• Saburo Iketani News Reader
• Yoshizo Tatake Xian
• Mitzuo Tsuda Xian
• Masaaki Tachibana Xian
• Hideki Furukawa Xian
• Rioji Shimizu Xian
• Minoru Ito Xian
• Takuzo Kumagaya Xian
• Tadashi Okabe Astronaut Glenn
• Haruo Nakajima Gojira
• Masaki Shinohara Radon
• Shoichi Hirose Kingugidora
• Marvin Miller Fuji