Jake Gyllenhaal alongside his older sister, Maggie Gyllenhaal. He subsequently appeared in another indie film, "The Good Girl" (2002) and the climate fiction-disaster film "The Day After Tomorrow" (2004), portraying a student caught in a cataclysmic climate event. In 2005, Gyllenhaal portrayed Anthony "Swoff" Swofford in "Jarhead", Harold Dobbs in "Proof", and Jack Twist in Ang Lee's "Brokeback Mountain." For his performance in "Brokeback Mountain," he received critical acclaim and won the BAFTA Award for Best Actor in a Supporting Role and was nominated for the Screen Actors Guild Award for Outstanding Performance by a Male Actor in a Supporting Role, the
Proof (2005 film) called "Proof": "richer and deeper, simultaneously both funnier and more serious, than either "A Beautiful Mind" or "Good Will Hunting"." Timothy Gowers of the University of Cambridge, a Fields Medalist, and Paul Sally of the University of Chicago, acted as mathematical consultants, although the latter was dismissive of the film's mathematical relevance and accuracy. Proof (2005 film) Proof is a 2005 American drama film directed by John Madden and starring Gwyneth Paltrow, Anthony Hopkins, Jake Gyllenhaal, and Hope Davis. It was written by Rebecca Miller, based on David Auburn's Pulitzer Prize-winning play "Proof". The plot alternates between events immediately following