In an alternate timeline the original Godzilla is never defeated and repeatedly reemerges to feed on Japan's energy sources. A new inter-dimensional weapon called the Dimension Tide is created with the intent of eliminating Godzilla. However, the new weapon might also serve as a gateway to something far more sinister.

Misato Tanaka
as Major Kiriko Tsujimori

Shosuke Tanihara
as Hajime Kudo

Masanobu Katsumura
as Makoto Nikura

Mansaku Ikeuchi
as Master Sergeant Kazuo Mima

Hiroyuki Suzuki
as Jun Hayasaka

Makiya Yamaguchi
as First Lieutenant Seiichi Hosono

Tetsuo Yamashita
as Third Lieutenant Tomoharu Okumura

Toshiyuki Nagashima
as Captain Takuya Miyagawa

Katsuo Nakamura
as Dr. Tsuyoshi Yamaguchi

Kazuko Kato
as Kaoru Hayasaka