A masochistic mobster meets his match in the dark streets of Tokyo. His nemesis, Ichi, is a psychopathic killer with an unrelenting thirst for bloodshed. A horrifying secret burns in his mind, and his hands deal death without mercy. At last, the shrouds of mystery are parted to reveal the origin of the monster. The city will know its greatest fear at the unveiling of Ichi the Killer.
Unfortunately the movie Ichi the Killer: Episode Zero is not yet available on HBO Max.
| Sound | Yui Takase | Music |
| Visual Effects | Matsuri Oohana | Animation Director |
| Directing | Shinji Ishihira | Director |
| Writing | Sakichi Sato | Writer |
| Art | Yoshinori Hirose | Art Direction |
| Sound | Toshiki Kameyama | Sound Director |
| Editing | Terumitsu Okada | Editor |
| Writing | Hideo Yamamoto | Comic Book |
| Visual Effects | Tsuneo Ninomiya | Character Designer |
