731
“Never forget.”
We checked 8 streaming services in India on 08 Jun 2026 at 17:08 IST
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.
Cast
Jiang Wu
as Wang Yongzhang
Wang Zhiwen
as Du Cunshan
Li Naiwen
as Gu Boxuan
Sun Qian
as Lin Suxian
Joyce Feng
as Yoshiko Imamura
Lin Ziye
as Sun Mingliang
Irene Wan
as Shinzo
Li Shanyu
as Liang Aiying
Yasuyuki Hirata
as Ishii Shiro
Ono Tatsumi
as Yoshikawa Toshio
Shibuya Tenma
as Ota
Minowa Yasufumi
as Ando Hirota
Li Yu
as Shanghai Native
Audrey Duo
as Hua
Xu Guangyu
as Jin Changfu
Lai Xi
as Zhou's Father
Huang Qi Lin'er
as June
Zhang Qi
as
Liu Zhankui
as
Wang Zun
as Hao Jing
Where does 731 rank today?
731 is #3284 on the CineFlixo Daily Streaming Charts today.
- Highest: #3284
- Top 10: 0 days
- Top 100: 0 days
Watch 731 Online Free in HD
If you've been searching for 731 full movie in HD, CineFlixo has you covered. This talked-about Chino drama, war, history, horror, and thriller title from 2025 is available to stream instantly — no ads to fight through, no paid subscriptions, no annoying redirects.
About 731
“Never forget.”
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. Running 125 minutes.
731 Cast and Characters
The cast features Jiang Wu (as Wang Yongzhang), Wang Zhiwen (as Du Cunshan), Li Naiwen (as Gu Boxuan), Sun Qian (as Lin Suxian), and Joyce Feng (as Yoshiko Imamura). Their performances are a major reason 731 has built such a passionate audience.
Where to Watch 731 Online
Want to watch 731 online without paying? CineFlixo is the easiest way. Click play and the film starts in seconds. No popups, no "5 day trial that auto-charges" — just the show.
▶ Watch 731 NowWhy People Are Watching 731
731 flies under the radar but it deserves your attention. What makes it work is emotional weight that hits where it counts and tight pacing that earns its twists. If you enjoy Chino storytelling that doesn't follow the same tired beats, this is the kind of film you'll end up recommending to friends.
Frequently Asked Questions about 731
Where can I watch 731 online for free?
You can watch 731 online free on CineFlixo. Just open the page and hit play — no signup, no subscription, full HD streaming on phone, tablet, or desktop.
How long is 731?
731 runs for 125 minutes (about 2.1 hours).
Is 731 good? What's the rating?
731 holds a 5.4/10 rating based on 20 reviews — a niche pick worth checking out.
Who is in the cast of 731?
The main cast includes Jiang Wu, Wang Zhiwen, Li Naiwen, and Sun Qian, plus a strong supporting ensemble.
Is 731 available in Chino?
Yes — 731 was originally produced in Chino and that's the version you'll stream here on CineFlixo. English subtitles are provided when available.
When was 731 released?
731 was released in 2025.
Do I need an account to watch 731 on CineFlixo?
No. CineFlixo is free and you can watch 731 without creating an account. Sign-up is optional — only useful if you want a personal Watchlist or to comment on episodes.
Similar Movies You Might Like
If you enjoyed 731, check out Amadeus, A Beautiful Mind, Erin Brockovich, Monster, and Dumb Money.
💬 Comments0
Join the conversation
Share your thoughts, rate episodes, and connect with other fans
Hey everyone! 👋 Welcome to the discussion.
Feel free to share your thoughts about this series — what did you love, what surprised you, which episodes are your favorites? 🎬
Got ideas for what we should add to CineFlixo? Want to suggest a series? Drop it here! We read every comment ✨
Similar Movies
Movies like this one
Recommended for You
Based on this movie
Similar Movies
More drama movies you might enjoy
Explore more
Frequently Asked Questions
Common questions about 731
Where can I watch 731 for free?
You can watch 731 (2025) online for free on CineFlixo. Just click "Watch Free" on this page to start streaming instantly — no account, subscription, or downloads required.
What is 731 about?
731 is a Drama/War film. 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.
When was 731 released?
731 was released on September 18, 2025. It has a runtime of 2h 5m. The film was produced by Changchun Film Studio.
Who stars in 731?
731 stars Jiang Wu, Wang Zhiwen, Li Naiwen and Sun Qian. The full cast list is available in the Cast section above.
Is 731 available in HD?
Yes, 731 is available to stream in high definition (HD) on CineFlixo. Our players automatically deliver the best quality your connection supports — no extra setup needed.