21 Grams poster

21 Grams

"How much does life weigh?"

Movie R 2003 2h 4m 7.3 /10
Directed by Alejandro González Iñárritu

Three strangers lead tense, interconnected lives until a catastrophic event binds them in a single moment that echoes long after. Paul Rivers, a gifted mathematician who is fading, finds himself trapped in a loveless marriage with Christina Peck, a suburban mother of two. Christina crosses paths... Read more

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Streaming availability last verified: February 26, 2026

About 21 Grams

Three strangers lead tense, interconnected lives until a catastrophic event binds them in a single moment that echoes long after. Paul Rivers, a gifted mathematician who is fading, finds himself trapped in a loveless marriage with Christina Peck, a suburban mother of two. Christina crosses paths with Jack Jordan, a born again ex convict seeking redemption and a chance to repair his past. After a brutal accident, their fates collide in unexpected, life altering ways, triggering consequences that test ethics, faith, and what people are willing to sacrifice. The film examines how chance can link strangers across class, belief, and circumstance. Later, the camera lingers on small gestures that reveal unspoken regrets.

Released in 2003, the film was directed by Alejandro Gonzalez Iñárritu and written by Guillermo Arriaga from an original screenplay. It solidifies their ongoing collaboration following Amores Perros and 21 Grams, with Emmanuel Lubezki’s stark cinematography and staged long takes.

The movie earned about 60.4 million dollars worldwide on a 20 million dollar budget upon its release, signaling solid demand for a dense, character driven drama that attracted attention from awards circuits and cinephiles and sparked debate about cinematic realism.

Interwoven timelines and stark emotional focus helped cement Iñárritu's reputation for uncompromising ensemble dramas. Critics highlight the performances of Sean Penn, Naomi Watts, and Benicio del Toro, and the film's unflinching look at grief, guilt and the randomness of fate, influencing later thrillers about interconnected lives, sparking debates in cinema.

Reviewers praised the film for its rigorous structure and emotional heft, while a few found the mood unyielding. The story probes how a single incident tests ethics, reveals human fragility, and forces characters to confront loss, meaning, and the weight of connection in a world where chance collides with choice.

Details

Release Date
September 06, 2003
Runtime
2h 4m
Rating
R
User Ratings
3,324 votes
Type
Movie
Genres
Drama, Crime, Thriller
Country
United States
Studio
This is that +3 more
Budget
$20,000,000
Box Office
$60,427,839
External Links
View on IMDB

Official Trailer

Cast

Sean Penn

Sean Penn

Paul Rivers

Naomi Watts

Naomi Watts

Cristina Peck

Benicio del Toro

Benicio del Toro

Jack Jordan

Charlotte Gainsbourg

Charlotte Gainsbourg

Mary Rivers

Danny Huston

Danny Huston

Michael Peck

Melissa Leo

Melissa Leo

Marianne Jordan

Clea DuVall

Clea DuVall

Claudia

Carly Nahon

Carly Nahon

Cathy

Claire Pakis

Claire Pakis

Laura

N

Nick Nichols

Boy

Director: Alejandro González Iñárritu

Written by: Guillermo Arriaga

Frequently Asked Questions

21 Grams is not currently available on streaming subscription services, but you can rent or buy it on Apple iTunes, Google Play, Vudu, and Amazon Video.

With a rating of 7.3/10 from 3,324 viewers, 21 Grams is well-received and recommended by the community. It's a good pick if you enjoy drama, crime, and thriller stories.

Three strangers lead tense, interconnected lives until a catastrophic event binds them in a single moment that echoes long after. Paul Rivers, a gifted mathematician who is fading, finds himself trapped in a loveless marriage with Christina Peck, a suburban mother of two. Christina crosses paths ...

The title references the old idea that the soul weighs 21 grams. The film uses this notion to explore life, mortality and how people are connected after a tragedy.

The movie uses a nonlinear structure to interlink three characters and shows how their lives intersect following a disastrous accident. The ending emphasizes the consequences of their choices and themes of guilt and forgiveness.