Streaming Services:
Available with English subtitles.
Movie Details:
| Title (Japanese) | 殺し屋１ |
| Movie Length | 2 hours 8 minutes |
| Original Language | Japanese |
| Original Japanese Premiere Date | December 2001 |
Prequel:
The movie 1-Ichi, which is based on the manga series prior to Ichi the Killer, was released in 2003 and is a prequel to this movie.
Manga Details:
| Author | Hideo Yamamoto (山本英夫) |
| Manga Length | 10 volumes |
| Availability in English | The series is being released in an English omnibus format by Seven Seas starting in July 2025. |
