Proof

Movie · United States

Proof

200599 minDrama · Mystery

★ 6.4 / 10 TMDb rating · 772 votes

United States

Where can you watch Proof?

Last checked: Nov 4, 2026, 12:01 AM UTC

Watch Proof (2005) in United States: compare confirmed streaming providers and available ways to watch.

At the last check: You can rent Proof online from Apple TV and Prime Video. You can buy Proof digitally from Apple TV and Prime Video. Paid add-on channels also offer this title: Apple TV + Paramount+, Prime Video + Paramount+, and The Roku Channel + Paramount+. They are not automatically included in a base subscription.

Outdated information — check with the provider.

Apple TV

Add-on subscription · Paramount+

HDMovieAudio: EnglishSubtitles: English
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Prime Video

Add-on subscription · Paramount+

MovieAudio: EnglishSubtitles: English
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Prime Video

Rent

HDMovieAudio: EnglishSubtitles: English
$3.99Lowest comparable price
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Prime Video

Buy

HDMovieAudio: EnglishSubtitles: English
$6.99Lowest comparable price
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The Roku Channel

Add-on subscription · Paramount+

HDMovieAudio: EnglishSubtitles: English
Add-on subscriptionAvailable through Dec 1, 2026
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What is Proof about?

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 if she may have inherited her father's mental illness along with his mathematical genius.

Cast

Gwyneth Paltrow, Anthony Hopkins, Jake Gyllenhaal, Hope Davis, Danny McCarthy, Tobiasz Daszkiewicz, Gary Houston, Leigh Zimmerman

Questions about Proof

Can I watch Proof for free?

Free offers for Proof are listed on Pluto TV. Check the provider for conditions such as ads or registration.

What picture and language options are available?

Confirmed picture quality: HD. Check each offer for audio and subtitles; options may depend on your device and plan.