The film vividly shows the misadventures of Oishi Kuranosuke and the human dramas inside the castle, which lead to the surrender of Ako Castle after seppuku by its lord Asano Takumi-no-kami and the termination of his family's power. This is the first film of the Ako Castle trilogy.
| Directing | Ryō Hagiwara | Director |
| Writing | Toshio Tamikado | Screenplay |
| Sound | Shiro Fukai | Original Music Composer |
| Camera | Minoru Miki | Director of Photography |
| Art | Heikichi Kakui | Art Direction |
| Costume & Make-Up | Tadaoto Kainoshō | Costume Design |
