Key Witness
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We checked 8 streaming services in India on 07 Jun 2026 at 21:10 IST
About
Vasily Kapluntsev, a burgher, died suddenly. Experts found poison in his body, and now his young wife Maria Kapluntseva is accused of murder. The main witness at the trial is the Kapluntsevs' neighbor, Vasily's friend and Maria's lover.
Cast
Yelena Sanayeva
as Mariya Kapluntseva
Aleksandr Belyavskiy
as Matvey Novozhilov
Larisa Luzhina
as Varvara
Larisa Danilina
as Sofiya
Mikhail Kislov
as Vasya Kapluntsov
Vsevolod Sanayev
as Dyudya
Aleksandra Denisova
as zhena Dyudi
Aleksandr Lebedev
as Alyoshka
Pavel Vinnik
as Lebyodkin
Boris Yurchenko
as Gerasim Kopylov
Vera Altayskaya
as Malanyina
Boris Bityukov
as
Valentin Bryleev
as
Yuri Leonidov
as Court member
Dmitriy Masanov
as
Daniil Netrebin
as
Nikolai Romanov
as
Konstantin Severnyy
as
Where does Key Witness rank today?
Key Witness is #10000 on the CineFlixo Daily Streaming Charts today.
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Watch Key Witness Online Free in HD
If you've been searching for Key Witness full movie in HD, CineFlixo has you covered. This highly acclaimed Ruso drama and mystery title from 1969 is available to stream instantly — no ads to fight through, no paid subscriptions, no annoying redirects.
About Key Witness
Vasily Kapluntsev, a burgher, died suddenly. Experts found poison in his body, and now his young wife Maria Kapluntseva is accused of murder. The main witness at the trial is the Kapluntsevs' neighbor, Vasily's friend and Maria's lover. Running 70 minutes.
Key Witness Cast and Characters
The cast features Yelena Sanayeva (as Mariya Kapluntseva), Aleksandr Belyavskiy (as Matvey Novozhilov), Larisa Luzhina (as Varvara), Larisa Danilina (as Sofiya), and Mikhail Kislov (as Vasya Kapluntsov). Their performances are a major reason Key Witness has built such a passionate audience.
Where to Watch Key Witness Online
Want to watch Key Witness 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 Key Witness NowWhy People Are Watching Key Witness
There's a reason Key Witness keeps showing up on "must-watch" lists. What makes it work is emotional weight that hits where it counts and tight pacing that earns its twists. If you enjoy Ruso 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 Key Witness
Where can I watch Key Witness online for free?
You can watch Key Witness 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 Key Witness?
Key Witness runs for 70 minutes (about 1.2 hour).
Is Key Witness good? What's the rating?
Key Witness holds a 8.5/10 rating based on 2 reviews — genuinely excellent.
Who is in the cast of Key Witness?
The main cast includes Yelena Sanayeva, Aleksandr Belyavskiy, Larisa Luzhina, and Larisa Danilina, plus a strong supporting ensemble.
Is Key Witness available in Ruso?
Yes — Key Witness was originally produced in Ruso and that's the version you'll stream here on CineFlixo. English subtitles are provided when available.
When was Key Witness released?
Key Witness was released in 1969.
Do I need an account to watch Key Witness on CineFlixo?
No. CineFlixo is free and you can watch Key Witness without creating an account. Sign-up is optional — only useful if you want a personal Watchlist or to comment on episodes.
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Frequently Asked Questions
Common questions about Key Witness
Where can I watch Key Witness for free?
You can watch Key Witness (1969) online for free on CineFlixo. Just click "Watch Free" on this page to start streaming instantly — no account, subscription, or downloads required.
What is Key Witness about?
Key Witness is a Drama/Mystery film. Vasily Kapluntsev, a burgher, died suddenly. Experts found poison in his body, and now his young wife Maria Kapluntseva is accused of murder. The main witness at the trial is the Kapluntsevs' neighbor, Vasily's friend and Maria's lover.
When was Key Witness released?
Key Witness was released on September 22, 1969. It has a runtime of 1h 10m. The film was produced by Mosfilm.
Who stars in Key Witness?
Key Witness stars Yelena Sanayeva, Aleksandr Belyavskiy, Larisa Luzhina and Larisa Danilina. The full cast list is available in the Cast section above.
Is Key Witness available in HD?
Yes, Key Witness is available to stream in high definition (HD) on CineFlixo. Our players automatically deliver the best quality your connection supports — no extra setup needed.