Akira Kubo

Katsuo Yamabe

Jun Tazaki

Dr. Yoshido

Yukiko Kobayashi

Kyoko Manabe

Yoshio Tsuchiya

Dr. Otani

Chōtarō Tōgin

Ogata

Yoshibumi Tajima

General

Kenji Sahara

Commander Nishikawa

Heihachirō Ōkawa

Engineer

Kyôko Ai

Kilaak Queen

Andrew Hughes

Dr. Stevenson

Ikio Sawamura

Old Farmer

Yoshio Katsube

Young Scientist

Hisaya Ito

Major Tada

Yutaka Sada

Police Officer

Hiroshi Okada

Hospital Doctor

Hideo Shibuya

1st Reporter

Nadao Kirino

1st Detective

Yutaka Oka

2nd Detective

Kamayuki Tsubono

3rd Detective

Seishirō Kuno

SY-3 Engineer

Ken'ichirō Maruyama

Moon Base Employee

Kenzo Echigo

SY-3 Engineer

Wataru Ōmae

SY-3 Astronaut

Naoya Kusakawa

SY-3 Astronaut

Kazuo Suzuki

Kilaak Controlled Staffer (uncredited)

Tōru Ibuki

Kilaak Controlled Staffer (uncredited)

Susumu Kurobe

Kilaak Controlled Staffer (uncredited)

Minoru Itō

Kilaak Controlled Staffer (uncredited)

Rinsaku Ogata

1st Officer (uncredited)

Haruya Sakamoto

2nd Officer (uncredited)

Yukihiko Gondō

Soldier (uncredited)

Rei Maki

Kilaak (uncredited)

Masaaki Tachibana

Officer Announcing Monsters' Arrival (uncredited)

Saburô Iketani

News Reader (uncredited)

Atsuko Takahashi

Kilaak (uncredited)

Yoshio Miyata

Kilaak (uncredited)

Ari Segawa

Kilaak (uncredited)

Kyoko Mori

Kilaak (uncredited)

Midori Uchiyama

Kilaak (uncredited)

Wakako Tanabe

Kilaak (uncredited)

Michiko Ishii

Kilaak (uncredited)

Haruo Nakajima

Godzilla / Military Advisor

Hiroshi Sekita

Anguirus

Teruo Nigaki

Rodan

Susumu Utsumi

King Ghidorah

Masao Fukazawa

Minilla