Shogun's Samurai (1978)

Shogun's Samurai, also known as "The Yagyu Clan Conspiracy" and "Intrigue of the Yagyu Clan", is a 1978 Japanese historical martial arts period film, directed by Kinji Fukasaku. The film is the first of two period films by Fukasaku starring Shinichi "Sonny" Chiba as Jūbei Mitsuyoshi Yagyū, the other being Samurai Reincarnation. The film received five Japan Academy Prize nominations for best actor (Kinnosuke Yorozuya), best art direction (Norimichi Ikawa), best film, best screenplay (Kinji Fukasaku, Tatsuo Nogami, Hirō Matsuda), and best supporting actor (Shinichi Chiba).[http://www.imdb.com/title/tt0078513/awards]

More at Wikipedia.