Ichirô Nakaya

An elder ronin samurai arrives at a feudal lord's home and requests an honorable place to commit suicide. But when the ronin inquires about a younger samurai who arrived before him things take an unexpected turn. (imdb)

In the third film of the Lone Wolf and Cub series, Ogami Itto volunteers to be tortured by Yakuza to save a prostitute, and is hired by their leader to kill an evil chamberlain. (imdb)

Kiba gets involved in the transport of three criminals being taken to Edo for execution. When the prisoners' escorts are called to assist a group of officials stricken by poisoned water, Kiba accepts payment as a yojimbo to see the criminals to their destination. Kiba has a soft spot for one of the prisoners, a thief named Magobei, because he bears a resemblance to Kiba's late father. (lardbiscuit.com)