Where to watch Proof(2005)
In the United States, Proof is available to stream on fuboTV and Paramount+. It's also free on Kanopy and YouTube Free. You can also rent or buy it on JustWatch TV, Amazon Video, Apple TV, and Google Play.
Where to stream Proof
Availability in United States
Included with subscription
fuboTV
Paramount+
Free
Kanopy
YouTube Free
Rent
JustWatch TV
Amazon Video
Apple TV
Google Play
YouTube
Fandango At Home
Buy
- Amazon Video
- Apple TV
- Google Play
- YouTube
- Fandango At Home
Data updated on October 10, 2026. Availability data from JustWatch.
Proof plot summary
The biggest risk in life is not taking one.
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.
Details
- Release date
- September 5, 2005
- Runtime
- 1h 40m
- Genres
- Drama, Mystery
- Directed by
- John Madden
- Country
- United States
- TMDB rating
- 6.4 / 10 · 765 votes
Proof trailer
Cast
Gwyneth PaltrowCatherine Llewellyn
Anthony HopkinsRobert Llewellyn
Jake GyllenhaalHarold 'Hal' Dobbs
Hope DavisClaire Llewellyn
Danny McCarthyCop
Tobiasz DaszkiewiczLimo Driver
Gary HoustonProfessor Barrow
Leigh ZimmermanFriend at Party
Colin StintonTheoretical Physicist- Leland BurnettBand Vocalist
FAQ
Where can I watch Proof?
In the United States, Proof is available to stream on fuboTV and Paramount+. It's also free on Kanopy and YouTube Free. You can also rent or buy it on JustWatch TV, Amazon Video, Apple TV, and Google Play.
Can I rent or buy Proof?
Yes. In the United States you can rent or buy it on JustWatch TV, Amazon Video, Apple TV, Google Play, YouTube, and Fandango At Home.
How long is Proof?
Proof runs 1h 40m (100 minutes).
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