"At the turn of the century, all of the Earth's monsters have been rounded up and kept safely on Monsterland. Chaos erupts when a race of she-aliens known as the Kilaaks unleash the monsters across the world."
Akira Kubo
as Katsuo Yamabe
Jun Tazaki
as Dr. Yoshido
Yukiko Kobayashi
as Kyoko Manabe
Yoshio Tsuchiya
as Dr. Otani
Chōtarō Tōgin
as Ogata
Yoshibumi Tajima
as General
Kenji Sahara
as Commander Nishikawa
Heihachirō Ōkawa
as Engineer
Kyôko Ai
as Kilaak Queen
Andrew Hughes
as Dr. Stevenson
Ikio Sawamura
as Old Farmer
Yoshio Katsube
as Young Scientist
Hisaya Itō
as Major Tada
Yutaka Sada
as Police Officer
Hiroshi Okada
as Hospital Doctor
Hideo Shibuya
as 1st Reporter
Nadao Kirino
as 1st Detective
Yutaka Oka
as 2nd Detective
Kamayuki Tsubono
as 3rd Detective
Seishirō Kuno
as SY-3 Engineer
Ken'ichirō Maruyama
as Moon Base Employee
Kenzo Echigo
Wataru Ōmae
as SY-3 Astronaut
Naoya Kusakawa
Kazuo Suzuki
as Kilaak Controlled Staffer (uncredited)
Tōru Ibuki
Susumu Kurobe
Minoru Itō
Rinsaku Ogata
as 1st Officer (uncredited)
Haruya Sakamoto
as 2nd Officer (uncredited)
Yukihiko Gondō
as Soldier (uncredited)
Rei Maki
as Kilaak (uncredited)
Masaaki Tachibana
as Officer Announcing Monsters' Arrival (uncredited)
Saburô Iketani
as News Reader (uncredited)
Atsuko Takahashi
Yoshio Miyata
Ari Segawa
Kyoko Mori
Midori Uchiyama
Wakako Tanabe
Michiko Ishii
Haruo Nakajima
as Godzilla / Military Advisor
Hiroshi Sekita
as Anguirus
Teruo Nigaki
as Rodan
Susumu Utsumi
as King Ghidorah
Masao Fukazawa
as Minilla
Tomoyuki Tanaka
Producer
Taiichi Kankura
Director of Photography
Ishirō Honda
Director
Takeo Kita
Set Designer
Screenplay
Takeshi Kimura
Ryôhei Fujii
Editor
Akira Ifukube
Original Music Composer
Mutsumi Toyoshima
Production Design
Hisashi Shimonaga
Sound Effects Editor
Stunt Coordinator
Seiji Tani
Assistant Director
Eiji Tsuburaya
Special Effects Supervisor
Sadamasa Arikawa
Special Effects
Visual Effects