Toshirō Mifune as Sanjûrô Tsubaki / The ronin

Tatsuya Nakadai as Hanbei Muroto

Keiju Kobayashi as The Spy

Yūzō Kayama as Iori Izaka

Reiko Dan as Chidori, Mutsuta's daughter

Takashi Shimura as Kurofuji

Kamatari Fujiwara as Takebayashi

Takako Irie as Mutsuta's wife

Masao Shimizu as Kikui

Yūnosuke Itō as Mutsuta, the Chamberlain

Akira Kubo as Samurai

Hiroshi Tachikawa as Samurai

Yoshio Tsuchiya as Samurai

Kunie Tanaka as Samurai

Tatsuyoshi Ehara as Samurai

Akihiko Hirata as Samurai

Toranosuke Ogawa as

Sachio Sakai as Samurai

Kenzô Matsui as Samurai

Toshiko Higuchi as Maid Koyso

Tatsuhiko Namisato as Samurai

Yutaka Sada as Murota samurai

Gen Shimizu as

Shin Ōtomo as

Shōichi Hirose as

Minoru Itō as

Kōji Uruki as

Hiroyoshi Yamaguchi as

Fuminori Ōhashi as