Masahiro Matsuoka

Shin'ichi Ôzaki

Rei Kikukawa

Miyuki Otonashi

Don Frye

Captain Douglas Gordon

Maki Mizuno

Anna Otonashi

Kazuki Kitamura

The controller of Planet X

Kane Kosugi

Katsunori Kazama

Kumi Mizuno

Commander Akiko Namikawa

Akira Takarada

UN Secretary General Naotarô Daigo

Masatô Ibu

Xilian General

Masanobu Takashima

Major Kita

Shigeru Izumiya

Samon Taguchi

Jun Kunimura

Major Kumoro

Chihiro Ohtsuka

Shobijin

Masami Nagasawa

Shobijin

Masakatsu Funaki

Commander Kumasaka

Kenji Sahara

Hachiro Jinguji

Kenta Suga

Kenta Taguchi

Koichi Ueda

Original Gotengo Deputy Captain

Akira Nakao

Original Gotengo Commander

Tak Sakaguchi

Xilian

Reika Kirishima

Female Xilian

Tsutomu Kitagawa

Godzilla

Naoko Kamio

Minilla / Rodan

Kazuhiro Yoshida

Gigan / Hedorah

Toshihiro Ogura

Anguirus / Ebirah

Motokuni Nakagawa

Monster X / King Caesar

Ray Sefo

Glenn

Yoji Tanaka

(uncredited)

Shuya Yoshimoto

Koichi Yamadera

Narrator (voice)

Wataru Shihôdô

Major Kita