- Directed by Cast Member: Shintaro Katsu directed two of the later films and multiple episodes of the TV series.
- What Could Have Been: Bruce Lee was considered to play Ichi on film and even went as far as to do some costume tests, according to the documentary Bruce Lee, The Legend.
- You Look Familiar: Quite a few mooks appear in other Zatoichi films, but Tatsuo Endo appears as the Big Bad of five different Zatoichi films and as a minor character in a sixth. This is also done with a number of actresses. And Tomisaburo Wakayama, Shintaro Katsu's brother, who appears in several of the films.
Trivia / Zatoichi