First film in the Boy Detectives Club series.
| Actor | Role |
|---|---|
 Kōji NanbaraNot listed | Not listed |
 Hitomi NakaharaNot listed | Not listed |
| KKyoko KogaNot listed | Not listed |
| KKunio HaraNot listed | Not listed |
| YYasumitsu KomoriNot listed | Not listed |
 Ushio AkashiNot listed | Not listed |
 Jun UsamiNot listed | Not listed |
 Takashi KandaNot listed | Not listed |
 Eiji OkadaKogoro Akechi | Kogoro Akechi |