Proof poster
Where to stream

Proof

6.420051h 40mPG-13MovieDramaMystery

Catherine is a woman in her late twenties who is strongly devoted to her father, Robert, a brilliant and well-known mathematician whose grip on reality is beginning to slip away. As Robert descends into madness, Catherine begins to wonder…

DirectorJohn Madden
WritersRebecca Miller·David Auburn
ProducersBob Weinstein·Alison Owen

Where to watch

KanopyKanopyHooplaHoopla
Availability shown for United States · rights vary by country

Cast · Directed by John Madden

Gwyneth Paltrow
Gwyneth Paltrow
Catherine Llewellyn
Anthony Hopkins
Anthony Hopkins
Robert Llewellyn
Jake Gyllenhaal
Jake Gyllenhaal
Harold 'Hal' Dobbs
Hope Davis
Hope Davis
Claire Llewellyn
Danny McCarthy
Danny McCarthy
Cop
Tobiasz Daszkiewicz
Tobiasz Daszkiewicz
Limo Driver
Gary Houston
Gary Houston
Professor Barrow
Leigh Zimmerman
Leigh Zimmerman
Friend at Party
Colin Stinton
Colin Stinton
Theoretical Physicist
Leland Burnett
Leland Burnett
Band Vocalist
John Keefe
John Keefe
University Friend
Chipo Chung
Chipo Chung
University Friend

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Proof — streaming FAQ

Which OTT platform streams Proof?

Proof is streaming on Kanopy and Hoopla in United States, and available to rent or buy on JustWatch TV and Amazon Video. It's not currently on Netflix.

Is Proof on Netflix?

No, Proof is not on Netflix in United States as of August 2026. It's currently on Kanopy and Hoopla.

Is Proof on Amazon Prime Video?

Proof 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 Proof for free?

Proof is available to stream free (with ads) on Kanopy and Hoopla in United States.