Invasion of Astro-Monster

Astronauts Glenn and Fuji investigate Planet X and encounter mysterious aliens known as the Xiliens, who ask Earth's people to help save their world from "Monster Zero". In exchange for borrowing Godzilla and Rodan, the Xiliens offer a cure for cancer. As Glenn investigates, he develops a romance with Miss Namikawa and uncovers the Xilien's true intentions.

• Ishirō HondaDirector
• Shinichi SekizawaScreenplay
• Akira IfukubeOriginal Music Composer

• Akira TakaradaAstronaut Kazuo Fuji
• Nick AdamsAstronaut F. Glenn
• Kumi MizunoMiss Namikawa
• Keiko SawaiHaruno Fuji
• Jun TazakiDr. Sakurai
• Yoshio TsuchiyaController of Planet X
• Akira KuboTetsuo Torii
• Takamaru SasakiChairman of Earth Committee
• Fuyuki MurakamiMedical Representative
• Yoshibumi TajimaMobile Commander
• Kenzō TabuPresident of World Education Corporation (Xilien)
• Noriko SengokuDelegate