Movie
Proof
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.
Streaming, rental and purchase options
Where to watch in United States
Checked Jul 22, 2026
Proof is available to stream on Hoopla, Kanopy, and YouTube in United States. You can also rent or buy it from Amazon, Apple TV, and Fandango at Home. Use the direct links below to open the provider.
Synopsis
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.
More about Proof
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 PartyCredits
- Directed by
- John Madden
- Written by
- David Auburn, Rebecca Miller
Production details
- Status
- Released
- Original language
- English
- Budget
- $20M
- Box office
- $7.5M
Production
MiramaxUnited States
Endgame EntertainmentUnited States- Hart-Sharp EntertainmentUnited States
