First live action adaptation of Keiji Nakazawa's manga.
| Actor | Role |
|---|---|
| KKenta SatoGen | Gen |
 Rentaro MikuniFather | Father |
 Sachiko HidariMother | Mother |
| YYotaro KomatsuKoji | Koji |
| HHirokazu IshimatsuShinji | Shinji |
 Yoshio YoshidaNot listed | Not listed |
 Shinji MakiHorikawa | Horikawa |
| TTakashi SueNot listed | Not listed |
 Kōjirō KusanagiNot listed | Not listed |
 Akira ŌizumiNumata | Numata |
 Junshi ShimadaPaku | Paku |
| SShinpei SakamotoKishi | Kishi |
 Akiko KanaOsako | Osako |
| HHifumi SoganoyaNot listed | Not listed |