The Great Unknown
Velká neznámá
We checked 8 streaming services in India on 06 Jun 2026 at 11:51 IST
About
Three detective stories, three different views of life and death... Collection of three horror short stories.
Cast
Gustav Nezval
as Profesor Just
Marta Krásová
as Klára Justová
Andrea Čunderlíková
as Lenka Tanátová
Alena Kreuzmannová
as
Jana Preissová
as Kamarádka Lenky
Jana Břežková
as Dívka v informacích
Jiří Hrzán
as
Eva Kratochvílová
as Young Woman / Assistant
Ladislava Tschamundjiová
as
Boris Moravec
as
Miloslav Drtílek
as
Karel Bělohradský
as
František Husák
as
Josef Kořán
as
Antonín Soukup
as
Pavel Hobl
as
Bohuslav Čáp
as Docent
Marie Málková
as Anezka Cerná
Jana Šulcová
as
Marie Rosůlková
as
Where does The Great Unknown rank today?
The Great Unknown is #10000 on the CineFlixo Daily Streaming Charts today.
- Highest: #10000
- Top 10: 0 days
- Top 100: 0 days
Watch The Great Unknown Online Free in HD
Looking for a place to watch The Great Unknown online for free? You've landed on the right page. The Great Unknown is a talked-about CS horror movie from 1970 that you can stream right now on CineFlixo in high quality, no signup required.
About The Great Unknown
Three detective stories, three different views of life and death... Collection of three horror short stories. Running 85 minutes.
The Great Unknown Cast and Characters
The cast features Gustav Nezval (as Profesor Just), Marta Krásová (as Klára Justová), Andrea Čunderlíková (as Lenka Tanátová), Alena Kreuzmannová, and Jana Preissová (as Kamarádka Lenky). Their performances are a major reason The Great Unknown has built such a passionate audience.
Where to Watch The Great Unknown Online
CineFlixo lets you stream The Great Unknown online free, instantly, in HD. There's nothing to install — open the page, hit play, done. Works perfectly on Jio, Airtel, Vi networks across India and on slow mobile data thanks to our adaptive video pipeline.
▶ Watch The Great Unknown NowWhy People Are Watching The Great Unknown
The Great Unknown flies under the radar but it deserves your attention. What makes it work is a tone and style that's hard to find elsewhere. If you enjoy CS 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 The Great Unknown
Where can I watch The Great Unknown online for free?
You can watch The Great Unknown 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 The Great Unknown?
The Great Unknown runs for 85 minutes (about 1.4 hour).
Is The Great Unknown good? What's the rating?
The Great Unknown holds a 5.0/10 rating based on 2 reviews — a niche pick worth checking out.
Who is in the cast of The Great Unknown?
The main cast includes Gustav Nezval, Marta Krásová, Andrea Čunderlíková, and Alena Kreuzmannová, plus a strong supporting ensemble.
Is The Great Unknown available in CS?
Yes — The Great Unknown was originally produced in CS and that's the version you'll stream here on CineFlixo. English subtitles are provided when available.
When was The Great Unknown released?
The Great Unknown was released in 1970.
Do I need an account to watch The Great Unknown on CineFlixo?
No. CineFlixo is free and you can watch The Great Unknown 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 The Great Unknown, check out 1408, The Field Guide to Evil, Broadcast Dekinai Forbidden Spirit Video, The Most Dangerous Game, and Re-Animator.
💬 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 horror movies you might enjoy
Explore more
Frequently Asked Questions
Common questions about The Great Unknown
Where can I watch The Great Unknown for free?
You can watch The Great Unknown (1970) online for free on CineFlixo. Just click "Watch Free" on this page to start streaming instantly — no account, subscription, or downloads required.
What is The Great Unknown about?
The Great Unknown is a Horror film. Three detective stories, three different views of life and death... Collection of three horror short stories.
When was The Great Unknown released?
The Great Unknown was released on October 23, 1970. It has a runtime of 1h 25m. The film was produced by Filmové studio Barrandov.
Who stars in The Great Unknown?
The Great Unknown stars Gustav Nezval, Marta Krásová, Andrea Čunderlíková and Alena Kreuzmannová. The full cast list is available in the Cast section above.
Is The Great Unknown available in HD?
Yes, The Great Unknown is available to stream in high definition (HD) on CineFlixo. Our players automatically deliver the best quality your connection supports — no extra setup needed.