Shiro Kaieda is appointed the captain of Japan's first nuclear submarine, jointly built by Japan and the United States in top secret. However, he and his 76 crew members go rogue in this story that delves into themes of nuclear war, international politics, and world peace.
| Actor | Role |
|---|---|
 Takao OsawaShiro Kaieda | Shiro Kaieda |
 Hiroshi TamakiNot listed | Not listed |
 Aya UetoNot listed | Not listed |
 Yusuke SantamariaNot listed | Not listed |
 Tomoya NakamuraNot listed | Not listed |
 Aoi NakamuraNot listed | Not listed |
 Koudai MatsuokaNot listed | Not listed |
 Kou MaeharaNot listed | Not listed |
 Asami MizukawaNot listed | Not listed |
 Tao OkamotoNot listed | Not listed |
 Toru TezukaNot listed | Not listed |
 Yoshi SakōNot listed | Not listed |
 Takashi SasanoNot listed | Not listed |
 Aleks PaunovicNot listed | Not listed |
 Rick AmsburyNot listed | Not listed |
 Isao HashizumeNot listed | Not listed |
 Yui NatsukawaNot listed | Not listed |
 Yosuke EguchiNot listed | Not listed |
 Motoki NakazawaHiranuma Koki | Hiranuma Koki |
| Rick AmsburyPresident Nicholas Bennett | President Nicholas Bennett |
 Jeffrey RoweDavid Ryan | David Ryan |
| Aleks PaunovicLogan Steiger | Logan Steiger |