Proof (2005): cast, story & where to watch
2005 · Film · ★ 6.3
Released in 2005, Proof is a drama and mystery film directed by John Madden, running about 101 minutes. “The biggest risk in life is not taking one.” — that tagline sets the tone.
What it’s 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.
Who’s in it. Proof stars Gwyneth Paltrow as Catherine Llewellyn, Anthony Hopkins as Robert Llewellyn, Jake Gyllenhaal as Harold 'Hal' Dobbs and Hope Davis as Claire Llewellyn, among others.
How it landed. With an audience score of 6.3/10, Proof has drawn a solid, mixed-to-positive response. It went on to earn $7.5M at the box office.
Where to watch. In US you can rent or buy it from JustWatch TV, Amazon Video, Apple TV Store and Google Play Movies. See the full, country-by-country breakdown on our where to watch Proof page.
If you liked it. Fans of Proof tend to enjoy The Shawshank Redemption, The Godfather, Schindler's List and The Godfather Part II.
Frequently asked
- Where can I watch Proof (2005)?
- In US, Proof is available to rent or buy from JustWatch TV, Amazon Video and Apple TV Store. Availability varies by country — check our where-to-watch page for every region.
- Is Proof worth watching?
- Proof holds an audience score of 6.3 out of 10, and is a strong pick if you enjoy drama and mystery. Reactions are mixed, so it may depend on taste.
- Who stars in Proof?
- Proof stars Gwyneth Paltrow, Anthony Hopkins, Jake Gyllenhaal, Hope Davis and Danny McCarthy.
- When was Proof released?
- Proof was released in 2005, with a runtime of about 101 minutes.