1-Ichi
“How Ichi became the Killer.”
In this prequel we witness the teenage roots of Ichi's manic-depressive beginnings and the origins of his monster-sized kicks and his anger, his psychological, as well as physical, beatings.
Where to watch 1-Ichi in United States
Amazon VideoAmazon VideoClick a service to open 1-Ichi there. Availability last verified on June 20, 2026.
About 1-Ichi
1-Ichi is a 2003 Japanese-language action, thriller and drama film directed by Masato Tanno. The cast is led by Nao Omori, Teah, Junior Chihara. It has a runtime of 1h 23m. Viewers rate it 5.9/10 across 100 ratings. In United States, it is available to rent or buy on Amazon Video.
1-Ichi was produced by KSS and made in Japan. It was released on January 24, 2003.
- Director
- Masato Tanno
- Writers
- Sakichi Sato
- Release date
- January 24, 2003
- Original language
- Japanese
- Status
- Released
- Country
- Japan
- Production
- KSS
1-Ichi cast & crew
1-Ichi was directed by Masato Tanno and written by Sakichi Sato.
The cast features Nao Omori as Ichi / Shiroishi, Teah as Dai, Junior Chihara as Onizame, Chisato Amate as Satomi, Yuki Oikawa as Nao, and Eiki Kitamura as Hiromi.
Behind the camera, the score was composed by Tadanobu Asano, cinematography is by Naosuke Imaizumi, and it was produced by Takeshi Katayama and Yukio Nihei.
Is 1-Ichi worth watching?
1-Ichi holds an audience score of 5.9/10 from 55 ratings, a more divisive action films.
At 1h 23m, it's an easy, time-light watch.
If you enjoy action, thriller, and drama, 1-Ichi is worth a place on your watchlist.
How and where to watch 1-Ichi
1-Ichi isn't on a subscription service in United States right now, but you can rent or buy it on Amazon Video.
Streaming rights change country by country and month by month, so the options above reflect United States today — switch your country at the top of the where-to-watch section to see availability elsewhere.
Rate & review
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Cast of 1-Ichi
Nao Omori
Ichi / Shiroishi
Teah
Dai
Junior Chihara
Onizame
Chisato Amate
Satomi
Yuki Oikawa
Nao
Eiki Kitamura
Hiromi
Kazuhiro Mashiko
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1-Ichi — FAQs
▸Where can I watch 1-Ichi in United States?
1-Ichi is not on subscription streaming in United States right now, but you can rent or buy it on Amazon Video.
▸What language is 1-Ichi in?
1-Ichi is originally in Japanese. Subtitle and dub options vary by streaming service.
▸How long is 1-Ichi?
1-Ichi runs 1 hours 23 minutes (83 minutes).
▸What is 1-Ichi rated?
It holds a 5.9/10 audience score from 55 ratings.
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