Actor Takeru Satoh (Kamen Rider Den-O) will reprise his role as Kenshin Himura in the two films. Also returning to the final films are: Emi Takei (Liar Game 2) as Kaoru Kamiya, Munetaka Aoki (Ryomaden) as Sanosuke Sagara, Yu Aoi (Honey and Clover) as Megumi Takani, Yosuke Eguchi (The Confidence Man JP, Bleach) as Hajime Saito, Yusuke Iseya (JoJo's Bizarre Adventure: Diamond Is Unbreakable Chapter I, Shinjuku Swan) as Aoshi Shinomori, and Tao Tsuchiya (Ultraman Zero: The Revenge of Belial, The 8-Year Engagement) as Misao Makimachi.
Joining them are Riku Onishi as Yahiko Myojin, who replaces Kaito Oyagi in the role, Mackenyu Arata (Chihayafuru Film Trilogy, Kamen Rider Drive: Suprise Future) as Enishi Yukishiro, and Kasumi Arimura as Tomoe Yukishiro. Lastly, Keishi Otomo returns to direct both films with ONE OK ROCK returning to perform the theme song of the films.