21 Grams poster
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21 Grams

7.320032h 4mRMovieDramaCrimeThriller

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.

DirectorAlejandro G. Iñárritu
WriterGuillermo Arriaga
ProducersRobert Salerno·Alejandro G. Iñárritu

Where to watch

Availability shown for United States · rights vary by country

Cast · Directed by Alejandro G. Iñárritu

SPSean Penn
Sean Penn
Paul Rivers
NWNaomi Watts
Naomi Watts
Cristina Peck
BTBenicio del Toro
Benicio del Toro
Jack Jordan
CGCharlotte Gainsbourg
Charlotte Gainsbourg
Mary Rivers
DHDanny Huston
Danny Huston
Michael Peck
MLMelissa Leo
Melissa Leo
Marianne Jordan
CDClea DuVall
Clea DuVall
Claudia
CNCarly Nahon
Carly Nahon
Cathy
CPClaire Pakis
Claire Pakis
Laura
NN
Nick Nichols
Boy
JRJohn Rubinstein
John Rubinstein
Gynecologist
EMEddie Marsan
Eddie Marsan
Reverend John

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21 Grams — streaming FAQ

Which OTT platform streams 21 Grams?

21 Grams isn't on any subscription service in United States right now, but you can rent or buy it on Amazon Video, Apple TV Store and Google Play Movies. It's not on Netflix.

Is 21 Grams on Netflix?

No, 21 Grams is not on Netflix in United States as of September 2026. You can rent or buy it on Amazon Video and Apple TV Store.

Is 21 Grams on Amazon Prime Video?

21 Grams isn't included with a Prime Video subscription in United States, but you can rent or buy it on Amazon Video.

Where can I watch 21 Grams for free?

21 Grams isn't available free in United States; you can only rent or buy it on Amazon Video and Apple TV Store.