夏木陽介

Detective Shindo

星由里子

Naoko Shindo

小泉博

Professor Murai

志村喬

Dr. Tsukamoto

伊藤エミ

Shobijin

伊藤ユミ

Shobijin

若林映子

Princess Maas Doulina Salno of Selgina

伊藤久哉

Chief Assassin Malmess

平田昭彦

Chief Detective Okita

高田稔

Prime Minister (uncredited)

沢村いき雄

Honest Fisherman (uncredited)

野村浩三

Geologist (uncredited)

佐原健二

Editor in Chief Kanamaki

黒部進

Assassin with Mustache (uncredited)

伊吹徹

Short-Tie Assassin (uncredited)

鈴木和夫

Door-Opener Assassin (uncredited)

加藤春哉

Journalist (uncredited)

大友伸

Boss of Assassins (uncredited)

大村千吉

Would-Be Hat Retriever (uncredited)

中山豊

Tourist with Lost Hat (uncredited)

ヘンリー大川

Astronomer (uncredited)

天本英世

Princess Salno's aide (uncredited)

小杉義男

Chief of Infant Island (uncredited)

田島義文

Ship Captain (uncredited)

富田浩太郎

Villager (uncredited)

英百合子

Mother Shindo (uncredited)

渋谷英男

Journalist (uncredited)

中島春雄

Godzilla (uncredited)

広瀬正一

King Ghidorah (uncredited)