导演 本多猪四郎

Astronaut Kazuo Fuji 宝田明

Astronaut F. Glenn Nick Adams

Miss Namikawa 水野久美

Haruno Fuji 沢井桂子

Dr. Sakurai 田崎润

Controller of Planet X 土屋嘉男

Tetsuo Torii 久保明

Chairman of Earth Committee 佐佐木孝丸

Medical Representative 村上冬树

Mobile Commander 田岛义文

President of World Education Corporation (Xilien) 田武謙三

Delegate 千石规子

Buddhist Representative 松本染升

Minister of Defense 清水元

Earth Base Xilien 伊吹徹

Earth Base Xilien 鈴木和夫

Captain of First Survey Corps 堤康久

Captain of Second Survey Corps 桐野洋雄

Tetsuo's Mother 盐泽登代路

JSDF Soldier / Xilien 津田光男

JSDF Soldier / Xilien 熊谷卓三

Namikawa's Associate (Earth Base Xilien) 宇野晃司

Scientist 橘正晃

Reporter 岡豊

JSDF Soldier 緒方燐作

World Space Agency Staff 岡部正

World Space Agency Staff Ryôji Shimizu

World Space Agency Staff Hideki Furukawa

Reporter 坪野镰之

Reporter / Xilien 伊藤实

Godzilla 中岛春雄

Rodan 筱原正记

King Ghidorah 广濑正一

Astronaut F. Glenn (voice) 纳谷悟朗

News Announcer (uncredited) 池谷三郎

Xilien (uncredited) Yoshizo Tatake

World Education Corporation Member (Earth Base Xilien) (uncredited) 勝部義夫

World Education Corporation Member (Earth Base Xilien) (uncredited) 若松明

JSDF Soldier (uncredited) 坂本晴哉