Jake Gyllenhaal filmography character, a "sullen" and "schizophrenic" teenager, made him a cult hero. Although the film was critically acclaimed, it failed commercially. Gyllenhaal starred in the 2004 disaster film "The Day After Tomorrow", which, despite receiving mixed reviews from critics, was a commercial success at the box office. In 2005, he co-starred as Jack Twist opposite Heath Ledger in the romance drama "Brokeback Mountain". The actors portrayed two men that fall in love during a sheepherding expedition. The roles earned both Gyllenhaal and Ledger critical acclaim and Academy Award nominations. That same year, he starred in the drama films "Jarhead" and "Proof".
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