Set in World War II, the film depicts the story of the real-life Japanese battleship, the Yamato, which is confronted in the Pacific Ocean by giant monsters, including the most fearsome of them all, Reigo.
| Actor | Role |
|---|---|
 Yukijiro HotaruHajime edo | Hajime edo |
 Miyu OriyamaMatsuri edo | Matsuri edo |
| MMao UrataHibari edo | Hibari edo |
| IIsamu AgoNot listed | Not listed |
 Mickey CurtisNot listed | Not listed |
 Saori HaraChie Kojima | Chie Kojima |
 Susumu KurobeNot listed | Not listed |
 Yoji TanakaNot listed | Not listed |
 Manami EnosawaAkari edo | Akari edo |
| MMakoto InamiyaGoka kito | Goka kito |
| KKenzoHiroshi tachi | Hiroshi tachi |
 Ryûki KitaokaNot listed | Not listed |
| MMubu NakayamaNot listed | Not listed |
 Mayu SakumaMasumi | Masumi |
 Atsuko SakurabaSoap girl | Soap girl |
 Taiyo SugiuraNot listed | Not listed |
| MMizuho YoshidaMonster | Monster |