After the previous Godzilla attack, a miniature arms race ensues to collect his cells. Concerned over Godzilla's possible return, the Japanese government uses the cells to create a new bio-weapon, ANEB (Anti-Nuclear Energy Bacteria). They seeks the aid of geneticist Genshiro Shiragami, who's experiments result in a new mutation.

Kunihiko Mitamuraas Kazuhito Kirishima
Yoshiko Tanakaas Asuka Okouchi
Masanobu Takashimaas Major Sho Kuroki
Kōji Takahashias Genshiro Shiragami
Toru Minegishias Lieutenant Goro Gondo
Megumi Odakaas Miki Saegusa
Toshiyuki Nagashimaas Director Seiichi Yamamoto
Ryūnosuke Kanedaas Azuka's Father