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)

松本染升
Alien Expert (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)

岡豊
Meteoritic (uncredited)

宇野晃司
Hotel Clerk (uncredited)

石田茂樹
Man in Crowd (uncredited)

古田俊彦
Villager (uncredited)

富田浩太郎
Villager (uncredited)

Ichiya Aozora
Self / TV Host (uncredited)

Senya Aozora
Self / TV Host (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)

篠原正記
Rodan (uncredited)

宇留木康二
Rodan (uncredited)