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.
You can stream Proof on fuboTV, Paramount Plus Premium, Paramount Plus Essential, Paramount+ Amazon Channel, Paramount+ Roku Premium Channel and Kanopy. It is also available to rent or buy on JustWatch TV, Amazon Video, Apple TV Store, Google Play Movies, YouTube, Fandango At Home, Amazon Video, Apple TV Store, Google Play Movies, YouTube and Fandango At Home.
Proof was directed by John Madden.
Proof runs for 1h 40min, and was released in 2005.
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