Shikake-nin Baian (1981)

Shikake-nin Baian (仕掛人梅安), also known as Baian the Assassin, is a 1981 Japanese jidaigeki film directed by Yasuo Furuhata. The film was adapted from the novel by Shōtarō Ikenami. It stars Kinnosuke Yorozuya as Dr. Fujieda Baian, an acupuncturist who moonlights as an assassin.