- Yoko Maki (The Princess Blade) as Adel, Jigen's enemy, and an assassin who has lost both a leg and her voice
- Kotoka Maki as Oto, a young girl targeted by Adel's organization
- Masatoshi Nagase (Sweet Bean) as Takeshi Kawashima, Adel's right-hand man, and an assassin who takes pride in his mimicry and disguise abilities
- Honami Sato (Daughter of Lupin) as Ruri, Kawashima's lover
- Mitsuko Kusabue (Hanayome Sanjuso) as Chiharu Yaguchi, the world's best gunsmith whose rundown watch repair shop serves as a front for her services
The film is produced by Amazon Studio and TMS Entertainment. It is written by Yoshimasa Akamatsu (Corpse Party: Book of Shadows), and directed by Hajime Hashimoto (AIBOU: Tokyo Detective Duo, Signal). The film is set to premiere this October 13th on Amazon Prime Video.
[Source: Anime News Network]