Carl Rinsch Director Keanu Reeves Kai Actor Hiroyuki Sanada Oishi Actor Tadanobu Asano Lord Kira Actor Rinko Kikuchi Witch Actor Ko Shibasaki Mika Actor Min Tanaka Lord Asano Actor Cary-Hiroyuki Tagawa Shogun Tsunayoshi Actor Jin Akanishi Chikara Actor Masayoshi Haneda Yasuno Actor Hiroshi Sogabe Hazama Actor Takato Yonemoto Basho Actor Hiroshi Yamada Hara Actor Shu Nakajima Horibe Actor Neil Fingleton Lovecraftian Samurai Actor Natsuki Kunimoto Riku Actor Chris Morgan Screenwriter Hossein Amini Screenwriter Pamela Abdy Producer Eric McLeod Producer Scott Stuber Executive Producer Chris Fenton Executive Producer Walter Hamada Executive Producer John Mathieson Cinematographer Jan Roelfs Production Design Stuart Baird Film Editing Ilan Eshkeri Original Music Penny Rose Costume Design Denise Chamian Casting Priscilla John Casting Yôko Narahashi Casting Gary Freeman Supervising Art Direction Elli Griff Set Decoration