SY-3 Captain Katsuo Yamabe

Akira Kubo

Dr. Yoshido

Jun Tazaki

Kilaak Queen

Kyoko Ai

Dr. Otani

Yoshio Tsuchiya

Kyoko Yamabe

Yukiko Kobayashi

Ogata

Chōtarō Tōgin

Commander Nishikawa

Kenji Sahara

General

Yoshibumi Tajima

Dr. Stevenson

Andrew Hughes

Minya

'Little Man' Machan

Engineer

Heihachirō Ōkawa

1st Detective

Nadao Kirino

Kilaak Contolled Staffer

Susumu Kurobe

Godzilla / Military Advisor

Haruo Nakajima

Rodan

Teruo Nigaki

Major Tada

Hisaya Itô

Old Farmer

Ikio Sawamura

Angirasu

Hiroshi Sekita

SY-3 Astronaut

Naoya Kusakawa

Young Scientist

Yoshio Katsube

King Ghidorah

Susumu Utsumi

Young Scientist

Yoshio Katsuda

Major Tada

Hisaya Ito

Kilaak Controlled Staffer

Kazuo Suzuki

Police Officer

Yutaka Sada

Hospital Doctor

Hiroshi Okada

1st Reporter

Hideo Shibuya

2nd Detective

Yutaka Oka

SY-3 Astronaut

Wataru Omura

3rd Detective

Kamayuki Tsubono

SY-3 Engineer

Seishirō Kuno

Moon Base Employee

Ken'ichirō Maruyama

SY-3 Engineer

Kenzo Echigo

SY-3 Astronaut

Wataru Ōmae

Kilaak Controlled Staffer (uncredited)

Tōru Ibuki

Anguirus

Yû Sekita

Kilaak Controlled Staffer (uncredited)

Minoru Itō

1st Officer (uncredited)

Rinsaku Ogata

2nd Officer (uncredited)

Haruya Sakamoto

Soldier (uncredited)

Yukihiko Gondō

Kilaak (uncredited)

Rei Maki

Officer Announcing Monsters' Arrival (uncredited)

Masaaki Tachibana

News Reader (uncredited)

Saburô Iketani

Kilaak (uncredited)

Atsuko Takahashi

Kilaak (uncredited)

Kyoko Mori

Kilaak (uncredited)

Midori Uchiyama

Kilaak (uncredited)

Wakako Tanabe

Minilla

Masao Fukazawa