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
Maggie Gyllenhaal may have knowingly or unknowingly contributed to this conflict." Gyllenhaal took part in Artists United to Win Without War, a campaign started by Robert Greenwald that aimed to advance progressive causes and voicing opposition to the Iraq War. She and her brother Jake filmed a commercial for Rock the Vote, and visited the University of Southern California (USC) campus to encourage students to vote in the 2004 U.S. presidential election, in which she supported John Kerry. Gyllenhaal supported Barack Obama in the 2008 presidential election. She has campaigned on behalf of the American Civil Liberties Union (ACLU), an organization her