Based on the Pulitzer Prize-winning play and directed by Academy Award nominee John Madden, (Best Director, Shakespeare In Love, 1998), Proof stars Oscar winners Anthony Hopkins (Best Actor, The Silence Of The Lambs, 1991) and Gwyneth Paltrow (Best Actress, Shakespeare In Love, 1998) in a powerful story of a young woman haunted by her father"s past and the shadow of her own future. Catherine (Paltrow) has devoted years to caring for her brilliant but unstable father Robert (Hopkins), a mathematical genius. But when his genius slips away, he leaves behind a mystery. While coming to terms with the possibility that she has inherited his genius - and insanity - Catherine must also deal with the arrival of her estranged sister (Hope Davis - About Schmidt) and the attentions of Robert"s former student (Jake Gyllenhaal - The Day After Tomorrow).