A martial arts and katana instructor analyzes John Wick: Chapter 4‘s fight scene between Donnie Yen and Hiroyuki Sanada, finding some inaccurate elements. Directed by franchise veteran Chad Stahelski, the latest installment in the John Wick franchise sees Keanu Reeves return as the titular assassin, this time attempting to take down the High Table. The John Wick: Chapter 4 cast features a handful of newcomers, including Yen as Caine, a blind assassin, and Sanada as Shimazu, the manager of the Osaka Continental, with both characters ultimately engaging each other in a sword fight.