Yōsuke NatsukiDetective Shindo

Yuriko HoshiNaoko Shindo

Akiko WakabayashiMas Selina Salno

Hisaya ItoMalmess, Chief Assassin

Hiroshi KoizumiProfessor Miura

Takashi ShimuraDr. Tsukamoto

Yumi ItoShobijin

Emi ItoShobijin

Akihiko HirataChief Detective Okita

Minoru TakadaPrime Minister

Someshô MatsumotoAlien Expert

Ikio SawamuraHonest Fisherman

Kôzô NomuraGeologist

Kenji SaharaEditor in Chief Kanamaki

Susumu Kurobe

Tôru IbukiShort-Tie Assassin

Kazuo SuzukiDoor-Opener Assassin

Haruya KatōJournalist

Shin ŌtomoBoss of Assassins

Senkichi ŌmuraWould-Be Hat Retriever

Yutaka NakayamaTourist with Lost Hat

Heihachirō ŌkawaAstronomer

Hideyo AmamotoPrincess Salno's aide

Yoshio KosugiChief of Infant Island

Yoshifumi TajimaShip Captain

Yutaka Oka

Kôji Uno

Shigeki Ishida

Toshihiko Furuta

Kotaro TomitaVillager

Ichiya Aozora

Senya Aozora

Yuriko HanabusaMother Shindo

Hideo ShibuyaJournalist

Haruo NakajimaGodzilla

Kōji UrukiRodan

Shôichi HiroseKing Ghidorah

Katsumi Tezuka

Haruya Sakamoto

Ishirō HondaDirector

Shinichi SekizawaScreenplay

Tokiko IwataniLyricist

Tomoyuki TanakaExecutive Producer