In the third installment of Yoshikawa's novel Musashi, things continue from the 2nd film at the end of battle, where Miyamoto continues on a mission of learning; with the introduction of his arch-rival Sasaki Kojiro; and lastly the large cast of characters rendezvouses for a fateful finale.
Kinnosuke Nakamura
Wakaba Irie
Isao Kimura
Chieko Naniwa
Mitsuru Takeuchi
Kusuo Abe
Michiyo Kogure
Satomi Oka
Shinjirô Ehara
Mikijiro Hira
Chōichirō Kawarasaki
Hiroshi Minami
Ryōsuke Kagawa
Kazutarō Kuni
Kin'ya Suzuki
Kinjirô Tooyama
Hajime Nagoya
Masaharu Arikawa
Kenji Kusumoto
Hideo Shimada
Kenji Susukida
Masao Hori
Takashi Kanda
Eijirō Kataoka
Takashi Toyama
Hiroshi Hatano
Kenji Egi
Kei Tani
Masuo Kamiki
Kin'nosuke Fujiki
Shirō Osaki
Makoto Kawaji
Fujio Tokita
Hanzô Kataoka
Kyōnosuke Murai
Kentaro Ozato
Hiroshi Tonegawa
Kinji Nakamura
Ken Takakura