Ambitious yakuza Kenji befriends harmonica-playing bartender Chuji, who moonlights as a part-time drug-dealer for the opposing gang. Their friendship is threatened by Kenji's plans for advancement, as well as by his bodyguards growing jealousy of Chuji.
Unfortunately the movie Blues Harp is not yet available on HBO Max.
| Directing | Takashi Miike | Director |
| Camera | Hideo Yamamoto | Director of Photography |
| Directing | Bunmei Katô | Assistant Director |
| Art | Akira Ishige | Production Design |
| Writing | Toshiyuki Morioka | Screenplay |
| Production | Naoya Narita | Producer |
| Writing | Toshihiko Matsuo | Screenplay |
| Production | Toshihiko Matsuo | Executive Producer |
| Sound | Atsushi Okuno | Original Music Composer |
| Sound | Yukiya Sato | Sound |
| Production | Yasuhiko Higashi | Producer |
| Production | Youichiro Onishi | Producer |
| Production | Shun Shimizu | Producer |
| Editing | Yasushi Shimamura | Editor |
