731
“Never forget.”
Synopsis
Based on true events set during WWII in Northeast China, an ordinary man is thrust into a turbulent fate against the backdrop of the inhumane bacterial experiments conducted by the Japanese Imperial Army's notorious Unit 731.
Trailers, Teasers & Extra Featurettes
Official promotional previews, behind-the-scenes footage, and exclusive clips.
Official Trailer 2 [Subtitled]Official
Type: Trailer • Published 2025-09-19
Top Cast
Explore Star Directory →
Jiang Wu
Wang Yongzhang
Wang Zhiwen
Du Cunshan
Li Naiwen
Gu Boxuan
Sun Qian
Lin Suxian
Joyce Feng
Yoshiko Imamura
Lin Ziye
Sun Mingliang
Irene Wan
Shinzo
Li Shanyu
Liang Aiying
Yasuyuki Hirata
Ishii Shiro
Ono Tatsumi
Yoshikawa Toshio
Shibuya Tenma
Ota
Minowa Yasufumi
Ando Hirota
Li Yu
Shanghai Native
Audrey Duo
Hua
Xu Guangyu
Jin Changfu
Lai Xi
Zhou's Father
Huang Qi Lin'er
June
Zhang Qi
Release History & Theatrical Window
Harbin
Festival / Special Debut
September 19, 2025
Wide Cinema Exhibition
Financials & Box Office Performance
Production Budget
Undisclosed
Filming & production cost
Worldwide Gross
$273.9M
Total global ticket sales
Key Information & Fast Facts
- Director
- Zhao Linshan
- Screenplay & Story
- Zhao Linshan
- Original Score
- Yu Sheng, Jiawei Shen, Roc Chen
- Original Title
- 731
- Country of Origin
- China
- Spoken Languages
- Russian, Japanese, Mandarin
- Runtime
- 2h 5m
- Worldwide Gross
- $273.9M
- Production Studios
- 长春电影制片厂, Poly Film Investment, Beijing HY Media
Creative Leadership & Key Crew
Zhao Linshan
Zhao Linshan, Zhang Heping
Yu Sheng, Jiawei Shen, Roc Chen
Yang Tao
Zhang Wang, Zhuang Yan, 毕述林
Department Leadership Roster
Zhao Linshan
Director
Zhang Wang
Producer
Jiawei Shen
Original Music Composer
Zhao Linshan
Screenplay
Yang Tao
Director of Photography
Roc Chen
Original Music Composer
毕述林
Producer
Age Classification & Content Advisories
Official viewer rating standards and content warnings across international classification boards.
NR: Not Rated — Evaluated outside standard classification boards.
International Certification Matrix
Not Rated — Evaluated outside standard classification boards.
Production Stills & Gallery
Official cinematic photography and background stills for 731.
Featured In Curated Collections
Editorial lists, community rankings, and cinematic collections featuring 731.
War: World War II
Auto-filled from Letterboxd lists
My Collection
All the Films I have on Hard Drives
friends_picks
Movies Sex & Nudity Moderate
WATCHLIST
mov
Similar Titles to 731
Movies sharing stylistic DNA, tone, and thematic storytelling
7.7
7.8
7.1
7.1
5.7
6.8
7.1
6.5
7.1
5.4
6.8
6.2
7.4
7.1
Anime
6.6
8.5
7.2
6.9
More Like 731
Recommended titles matching themes, cast, and genres.
Frequently Asked Questions About 731
Quick factual answers about cast, synopsis, director, box office, and release information.
What is 731 about?
Based on true events set during WWII in Northeast China, an ordinary man is thrust into a turbulent fate against the backdrop of the inhumane bacterial experiments conducted by the Japanese Imperial Army's notorious Unit 731.
Who directed 731?
731 was directed by Zhao Linshan.
Who stars in 731?
The principal cast of 731 includes Jiang Wu, Wang Zhiwen, Li Naiwen, Sun Qian, Joyce Feng.
When was 731 released and how long is it?
731 was released in 2025 with a total runtime of 2h 5m.
How much did 731 make at the box office?
731 grossed $273.9M in worldwide ticket sales.
Who composed the musical score for 731?
The original motion picture soundtrack for 731 was composed by Yu Sheng, Jiawei Shen, Roc Chen.
What is the age rating and content advisory for 731?
731 holds official age classifications: AU: MA 15+; US: NR (Not Rated — Evaluated outside standard classification boards.).