21 Grams
“How much does life weigh?”
We checked 8 streaming services in India on 04 Jun 2026 at 11:27 IST
About
Paul Rivers, an ailing mathematician lovelessly married to an English émigré; Christina Peck, an upper-middle-class suburban housewife and mother of two girls; and Jack Jordan, a born-again ex-con, are brought together by a terrible accident that changes their lives.
Cast
Sean Penn
as Paul Rivers
Naomi Watts
as Cristina Peck
Benicio del Toro
as Jack Jordan
Charlotte Gainsbourg
as Mary Rivers
Danny Huston
as Michael Peck
Melissa Leo
as Marianne Jordan
Clea DuVall
as Claudia
Carly Nahon
as Cathy
Claire Pakis
as Laura
Nick Nichols
as Boy
John Rubinstein
as Gynecologist
Eddie Marsan
as Reverend John
Loyd Keith Salter
as Fat Man
Antef A. Harris
as Basketball Guy
Marc Musso
as Freddy
Teresa Delgado
as Gina
Trent Dee
as Guard
Tony Guyton
as Guard #2
Wayne E. Beech, Jr.
as Inmate #1
Keith Lamont Johnson
as Inmate #2
Where does 21 Grams rank today?
21 Grams is #3609 on the CineFlixo Daily Streaming Charts today.
- Highest: #3609
- Top 10: 0 days
- Top 100: 0 days
Watch 21 Grams Online Free in HD
Stream 21 Grams online free in HD on CineFlixo. A well-rated drama, crime, and thriller movie originally produced in Inglés and released in 2003, it's earned a solid 7.3/10 from 3,402 viewers worldwide.
About 21 Grams
“How much does life weigh?”
Paul Rivers, an ailing mathematician lovelessly married to an English émigré; Christina Peck, an upper-middle-class suburban housewife and mother of two girls; and Jack Jordan, a born-again ex-con, are brought together by a terrible accident that changes their lives. Running 124 minutes.
21 Grams Cast and Characters
The cast features Sean Penn (as Paul Rivers), Naomi Watts (as Cristina Peck), Benicio del Toro (as Jack Jordan), Charlotte Gainsbourg (as Mary Rivers), and Danny Huston (as Michael Peck). Their performances are a major reason 21 Grams has built such a passionate audience.
Where to Watch 21 Grams Online
On CineFlixo you can watch 21 Grams 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 21 Grams NowWhy People Are Watching 21 Grams
21 Grams 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 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 21 Grams
Where can I watch 21 Grams online for free?
You can watch 21 Grams 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 21 Grams?
21 Grams runs for 124 minutes (about 2.1 hours).
Is 21 Grams good? What's the rating?
21 Grams holds a 7.3/10 rating based on 3,402 reviews — well above average.
Who is in the cast of 21 Grams?
The main cast includes Sean Penn, Naomi Watts, Benicio del Toro, and Charlotte Gainsbourg, plus a strong supporting ensemble.
Is 21 Grams available in Inglés?
Yes — 21 Grams was originally produced in Inglés and that's the version you'll stream here on CineFlixo. English subtitles are provided when available.
When was 21 Grams released?
21 Grams was released in 2003.
Do I need an account to watch 21 Grams on CineFlixo?
No. CineFlixo is free and you can watch 21 Grams 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 21 Grams, check out Don't Look Back, Facing the Giants, This Sporting Life, Bartkowiak, and The Executioner's Song.
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Frequently Asked Questions
Common questions about 21 Grams
Where can I watch 21 Grams for free?
You can watch 21 Grams (2003) online for free on CineFlixo. Just click "Watch Free" on this page to start streaming instantly — no account, subscription, or downloads required.
What is 21 Grams about?
21 Grams is a Drama/Crime English-language film. Paul Rivers, an ailing mathematician lovelessly married to an English émigré; Christina Peck, an upper-middle-class suburban housewife and mother of two girls; and Jack Jordan, a born-again ex-con, are brought together by a terrible accident that changes their lives.
When was 21 Grams released?
21 Grams was released on September 6, 2003. It has a runtime of 2h 4m. The film was produced by This is that.
Who stars in 21 Grams?
21 Grams stars Sean Penn, Naomi Watts, Benicio del Toro and Charlotte Gainsbourg. The full cast list is available in the Cast section above.
Is 21 Grams available in HD?
Yes, 21 Grams is available to stream in high definition (HD) on CineFlixo. Our players automatically deliver the best quality your connection supports — no extra setup needed.