Sakata Sankichi, an amateur shogi player living in the slums of Osaka, is so obsessed with the board game that he spends all of his family's money to keep playing in the hope of defeating star player Sekine.
| Actor | Role |
|---|---|
 Shintarō KatsuSankichi Sakata | Sankichi Sakata |
 Tatsuya NakadaiKinjiro Sekine | Kinjiro Sekine |
 Tamao NakamuraKoharu Sakata | Koharu Sakata |
 Mikiko OtonashiTamae Sakata | Tamae Sakata |
 Makoto FujitaShinkichi | Shinkichi |
| KKan TaniguchiTakahama | Takahama |
 Tomo'o NagaiDr. Kikuoka | Dr. Kikuoka |
 Kenzō TabuKojima | Kojima |
| MMasao ImanishiTamiya | Tamiya |
 Takamaru SasakiKobayashi Tōhakusai | Kobayashi Tōhakusai |
 Takao ZushiKoizumi | Koizumi |
| FFukami HarueOkane | Okane |
| KKazuya OguriOgura | Ogura |
 Tetsuo MorishitaShinohara | Shinohara |
 Katsuhiko SasakiYamada | Yamada |
| DDai NagasawaMiyamatsu | Miyamatsu |
 Ichirō RyūzakiCount Yanagisawa | Count Yanagisawa |
 Hideo MurataMachida | Machida |
 Kazuo KatōDoctor | Doctor |
 Haruo SuzukiNewspaper reporter | Newspaper reporter |
| YYūjirō IshihamaMan with gold-rimmed glasses | Man with gold-rimmed glasses |
| YYasuzō OgawaPostman | Postman |
 Chieko HaradaOtoki | Otoki |