China / Sep 17, 2025 / Harbin
Never forget.
2h 5min
Overall average
5.0/10
Trailer
Videos
Plot
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.
Main cast
Full cast
| Actor | Role |
|---|---|
| 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 | |
| Liu Zhankui | |
| Wang Zun | Hao Jing |
| Evan Kail | |
| Yilin Li | |
| Liu Changde | |
| Sun Qian |
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Genres
DramaWar
Technical details
| Detail | Value |
|---|---|
| Original title | 731 |
| Original language | 普通话 (ZH) |
| Spoken languages | Pусский, 日本語, 普通话 |
| Production countries | China |
| Status | Released |
| Production companies | Changchun Film Studio, Poly Film Investment, Beijing HY Media |
| Release date | 18 settembre 2025 |
| Executive producer | Zhuang Yan |
| Production | Zhang Wang, Zhang Heping |
| Writer | Zhao Linshan, Zhang Heping |
| Casting | Han Jihao |
| Cinematography | Tao Yang |
| Assistant directors | Zhao Linshan, Bruce Law Lai-Yin, Norman Luo Yi-Min |
| Camera operators | Tao Yang |
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| Additional photography | Tao Yang |
| Music | Yu Sheng, Jiawei Shen, Roc Chen |
| Sound | Yu Sheng, Jiawei Shen, Roc Chen |
| Revenue | 273.896.228 € |
Release dates
Premiere
Limited release
Canada / Sep 19, 2025
United States / Sep 19, 2025 / NR
Theatrical release
Australia / Sep 18, 2025 / MA 15+
China / Sep 18, 2025
Hong Kong / Sep 18, 2025 / III
Singapore / Sep 25, 2025 / M18
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Thailand / Dec 10, 2025
South Korea / Jan 21, 2026 / 15
Digital
China / Dec 19, 2025
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