In het 17e-eeuwse Japan is er een periode van vrede aangebroken. Veel clans raken daardoor ontbonden; samurai raken werkloos. Enkelen van hen dreigen met harakiri, ofwel rituele zelfmoord, in de hoop op een aalmoes.
Nee, helaas is Seppuku nog niet beschikbaar op Netflix in Nederland.
| Writing | Yasuhiko Takiguchi | Novel |
| Directing | 小林正樹 | Director |
| Writing | 橋本忍 | Screenplay |
| Sound | 西崎英雄 | Sound |
| Sound | Toru Takemitsu | Original Music Composer |
| Art | 戸田重昌 | Art Direction |
| Editing | Hisashi Sagara | Editor |
| Production | Gin'ichi Kishimoto | Associate Producer |
| Art | Junpei Oosumi | Art Direction |
| Costume & Make-Up | Mitsuzô Ueda | Costume Design |
| Costume & Make-Up | Gyôuemon Kimura | Hairstylist |
| Directing | Kôji Niwa | Assistant Director |
| Art | Zenichi Tajiri | Set Decoration |
| Costume & Make-Up | Yoshiko Kimura | Hairstylist |
| Production | Tatsuo Hosoya | Producer |
| Camera | Yoshio Miyajima | Director of Photography |
