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.

Shintarō Katsu
as Sankichi Sakata

Tatsuya Nakadai
as Kinjiro Sekine

Tamao Nakamura
as Koharu Sakata

Mikiko Otonashi
as Tamae Sakata

Makoto Fujita
as Shinkichi

Kan Taniguchi
as Takahama

Tomo'o Nagai
as Dr. Kikuoka

Kenzō Tabu
as Kojima

Masao Imanishi
as Tamiya

Takamaru Sasaki
as Kobayashi Tōhakusai