731 poster

731

"Never forget."

Movie NR 2025 2h 5m 5.3 /10
Directed by Zhao Linshan

During World War II in Northeast China, an ordinary man from the borderlands finds himself drawn into a brutal chapter of history when a secret program of bacterial experiments linked to the Japanese Imperial Army becomes public. As fear and coercion spread, he must decide what he is willing to... Read more

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Streaming availability last verified: January 25, 2026

About 731

During World War II in Northeast China, an ordinary man from the borderlands finds himself drawn into a brutal chapter of history when a secret program of bacterial experiments linked to the Japanese Imperial Army becomes public. As fear and coercion spread, he must decide what he is willing to risk to shield loved ones, uncover the truth, and endure a landscape where friends and rivals blur under wartime pressure. The drama centers on ordinary lives exposed to extraordinary cruelty, showing how a single choice can ripple through a family and a community. The tone stays grounded in hardship while insisting that memory matters, avoiding sensationalism as it confronts a dark past. The performances ground the film in human nuance.

Directed by Zhao Linshan with a story by Zhang Heping, 731 brings to life a chapter of history that many films avoid. The film positions itself as wartime drama rooted in real events, with meticulous production values and restrained approach.

The picture has drawn audiences worldwide, grossing 273,896,228 dollars. The strong turnout underlines broad interest in historical dramas that confront wartime atrocities with a human lens. Its worldwide appeal reflects growing interest in historical narratives that confront difficult legacies for a global audience.

Even at this early stage the film has sparked discussions about wartime ethics, medical experimentation, and memory. It prompts audiences to consider how nations teach the past and how it should shape future choices in classrooms, museums, and screenings. It also raises questions about reconciliation and the duty of memory.

Critics offered mixed signals, with a respectable climate of discussion about ethics in wartime science, human resilience, and the toll of conflict on civilians. The film emphasizes moral choices and the cost of bearing witness to crimes. Thematic focus on accountability and memory lingers after the credits.

Details

Release Date
September 18, 2025
Runtime
2h 5m
Rating
NR
User Ratings
14 votes
Type
Movie
Genres
Drama, War
Country
China
Studio
Changchun Film Studio +2 more
Box Office
$273,896,228
External Links
View on IMDB

Official Trailer

Cast

Jiang Wu

Jiang Wu

Wang Yongzhang

Wang Zhiwen

Wang Zhiwen

Du Cunshan

Li Naiwen

Li Naiwen

Gu Boxuan

Sun Qian

Sun Qian

Lin Suxian

Joyce Feng

Joyce Feng

Yoshiko Imamura

Lin Ziye

Lin Ziye

Sun Mingliang

Irene Wan

Irene Wan

Shinzo

L

Li Shanyu

Liang Aiying

Yasuyuki Hirata

Yasuyuki Hirata

Ishii Shiro

O

Ono Tatsumi

Yoshikawa Toshio

Director: Zhao Linshan

Written by: Zhang Heping

Frequently Asked Questions

731 is not currently available to stream, rent, or buy online in the US. Check back later for updates.

With a rating of 5.3/10 from 14 viewers, 731 is a mixed bag - check out reviews to see if it's right for you.

During World War II in Northeast China, an ordinary man from the borderlands finds himself drawn into a brutal chapter of history when a secret program of bacterial experiments linked to the Japanese Imperial Army becomes public. As fear and coercion spread, he must decide what he is willing to r...

731 stars Jiang Wu, Wang Zhiwen, Li Naiwen, Sun Qian, and Joyce Feng.

731 was directed by Zhao Linshan.

731 was released on September 18, 2025.

731 is a Drama and War film.

Yes, 731 is based on true events from WWII in Northeast China and centers on the Japanese Army's Unit 731. The main character's journey is fictional, but the backdrop reflects real historical atrocities.

Jiang Wu plays Wang Yongzhang, the ordinary man whose fate is swept up in the events surrounding Unit 731. His perspective anchors the drama as the story unfolds.

Wang Zhiwen portrays Du Cunshan. Du Cunshan is one of the central figures in the film.

Li Naiwen portrays Gu Boxuan. Gu Boxuan is part of the ensemble at the heart of the narrative.