佐佐木胜彦

Katsuhiko Sasaki

饰：Inventor Goro Ibuki

川濑裕之

Hiroyuki Kawase

饰：Rokuro 'Roku-chan' Ibuki

林温

Yutaka Hayashi

饰：Hiroshi Jinkawa

Robert Dunham

饰：Emperor Antonio of Seatopia

富田浩太郎

Kotaro Tomita

饰：Lead Seatopian Agent

Wolf Otsuki

饰：Seatopian Agent

Gentaro Nakajima

饰：Truck Driver (as Gen Nakajima)

三上左京

Sakyo Mikami

饰：Truck Driver's Assistant

池田芙美太

Fumiyo Ikeda

饰：Man from Unit 1

森干太

Kanta Mori

饰：Japan Special Defense Forces Chief

高木真二

Shinji Takagi

饰：Gojira

Hideto Odachi

Hideto Odachi

饰：Megaro

驹田次利

Tsugutoshi Komada

饰：Jetto Jagâ

萨摩剑八郎

Kenpachiro Satsuma

饰：Gaigan (as Kengo Nakayama)

Rolf Jessup

Rolf Jessup

饰：Antonio's Aide (Radio Operator in White)

中西英介

Eisuke Nakanishi

饰：Asuka Island Nuclear Test (Narrator)

中岛春雄

Haruo Nakajima

饰：Gojira (stock footage) (uncredited)

市川治

Osamu Ichikawa

村越伊知郎

Ichirô Murakoshi

Koetsu Omiya

Koetsu Omiya

饰：Angirasu

Yû Sekita

饰：Angirasu,(archive footage)