Where to stream

Proof

6.420051h 40mR18+MovieDramaMystery

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

Availability shown for Japan · 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

Claire Llewellyn

Danny McCarthy

Tobiasz Daszkiewicz

Tobiasz Daszkiewicz

Gary Houston

Professor Barrow

Leigh Zimmerman

Leigh Zimmerman

Friend at Party

Colin Stinton

Theoretical Physicist

Leland Burnett

John Keefe

University Friend

Chipo Chung

University Friend

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Proof — streaming FAQ

Which OTT platform streams Proof?

Proof isn't on any subscription service in Japan right now, but you can rent or buy it on Amazon Video and FOD. It's not on Netflix.

Is Proof on Netflix?

No, Proof is not on Netflix in Japan as of August 2026. You can rent or buy it on Amazon Video and FOD.

Is Proof on Amazon Prime Video?

Proof isn't included with a Prime Video subscription in Japan, but you can rent or buy it on Amazon Video.

Where can I watch Proof for free?

Proof isn't available free in Japan; you can only rent or buy it on Amazon Video and FOD.