Oppenheimer
“The world forever changes.”
We checked 8 streaming services in India on 06 Jun 2026 at 15:50 IST
About
The story of J. Robert Oppenheimer's role in the development of the atomic bomb during World War II.
Cast
Cillian Murphy
as J. Robert Oppenheimer
Emily Blunt
as Kitty Oppenheimer
Matt Damon
as Leslie Groves
Robert Downey Jr.
as Lewis Strauss
Florence Pugh
as Jean Tatlock
Josh Hartnett
as Ernest Lawrence
Casey Affleck
as Boris Pash
Rami Malek
as David Hill
Kenneth Branagh
as Niels Bohr
Benny Safdie
as Edward Teller
Jason Clarke
as Roger Robb
Dylan Arnold
as Frank Oppenheimer
Tom Conti
as Albert Einstein
James D'Arcy
as Patrick Blackett
David Dastmalchian
as William Borden
Dane DeHaan
as Kenneth Nichols
Alden Ehrenreich
as Senate Aide
Tony Goldwyn
as Gordon Gray
Jefferson Hall
as Haakon Chevalier
David Krumholtz
as Isidor Rabi
Where does Oppenheimer rank today?
Oppenheimer is #346 on the CineFlixo Daily Streaming Charts today.
- Highest: #346
- Top 10: 0 days
- Top 100: 0 days
Watch Oppenheimer Online Free in HD
Stream Oppenheimer online free in HD on CineFlixo. A highly acclaimed drama and history movie originally produced in Inglés and released in 2023, it's earned a solid 8.0/10 from 11,809 viewers worldwide.
About Oppenheimer
“The world forever changes.”
The story of J. Robert Oppenheimer's role in the development of the atomic bomb during World War II. Running 181 minutes.
Oppenheimer Cast and Characters
The cast features Cillian Murphy (as J. Robert Oppenheimer), Emily Blunt (as Kitty Oppenheimer), Matt Damon (as Leslie Groves), Robert Downey Jr. (as Lewis Strauss), and Florence Pugh (as Jean Tatlock). Their performances are a major reason Oppenheimer has built such a passionate audience.
Where to Watch Oppenheimer Online
On CineFlixo you can watch Oppenheimer free — no account, no credit card, no ads in the middle of the show. We stream the full film in 720p / 1080p HD, with subtitles when available, on any device: phone, tablet, laptop, or smart TV browser.
▶ Watch Oppenheimer NowWhy People Are Watching Oppenheimer
There's a reason Oppenheimer keeps showing up on "must-watch" lists. What makes it work is emotional weight that hits where it counts. If you enjoy Inglés 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 Oppenheimer
Where can I watch Oppenheimer online for free?
You can watch Oppenheimer 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 Oppenheimer?
Oppenheimer runs for 181 minutes (about 3 hours).
Is Oppenheimer good? What's the rating?
Oppenheimer holds a 8.0/10 rating based on 11,809 reviews — genuinely excellent.
Who is in the cast of Oppenheimer?
The main cast includes Cillian Murphy, Emily Blunt, Matt Damon, and Robert Downey Jr., plus a strong supporting ensemble.
Is Oppenheimer available in Inglés?
Yes — Oppenheimer was originally produced in Inglés and that's the version you'll stream here on CineFlixo. English subtitles are provided when available.
When was Oppenheimer released?
Oppenheimer was released in 2023.
Do I need an account to watch Oppenheimer on CineFlixo?
No. CineFlixo is free and you can watch Oppenheimer 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 Oppenheimer, check out The Country Girl, The Nativity Story, Abraham, The Aviator, and The Diary of Anne Frank.
💬 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 English Movies
More drama English movies you might enjoy
The Punisher: One Last Kill
2026
Damage
1992
Nymphomaniac: Vol. II
2013
The Devil Wears Prada
2006
Michael
2026
Addicted
2014
Real Steel
2011
The Shawshank Redemption
1994
Beast
2026
After We Fell
2021
Interstellar
2014
From Straight A's to XXX
2017
Explore more
Frequently Asked Questions
Common questions about Oppenheimer
Where can I watch Oppenheimer for free?
You can watch Oppenheimer (2023) online for free on CineFlixo. Just click "Watch Free" on this page to start streaming instantly — no account, subscription, or downloads required.
What is Oppenheimer about?
Oppenheimer is a Drama/History English-language film. The story of J. Robert Oppenheimer's role in the development of the atomic bomb during World War II.
When was Oppenheimer released?
Oppenheimer was released on July 19, 2023. It has a runtime of 3h 1m. The film was produced by Syncopy.
Who stars in Oppenheimer?
Oppenheimer stars Cillian Murphy, Emily Blunt, Matt Damon and Robert Downey Jr.. The full cast list is available in the Cast section above.
Is Oppenheimer available in HD?
Yes, Oppenheimer is available to stream in high definition (HD) on CineFlixo. Our players automatically deliver the best quality your connection supports — no extra setup needed.