The son of director Stephen Gyllenhaal and screenwriter Naomi Foner, Gyllenhaal's immediate family includes his sister, actress Maggie, who is married to actor Peter Sarsgaard, Gyllenhaal's co-star in Jarhead and Rendition. In December, 2006, Jake and his sister escaped a fire that destroyed Manka's, a famed lodge and restaurant in Inverness, California, at which they were vacationing. Gyllenhaal's Read more...

Gyllenhaal is politically active. He shot a commercial for Rock the Vote, and along with his sister Maggie Gyllenhaal, visited the University of Southern California to encourage students to vote during the 2004 U.S. Election. He also campaigned for Democratic Presidential candidate John Kerry. He has said, however, that "it frustrates me when actors talk politics; I'm political and I make choices Read more...

During childhood, Gyllenhaal had regular exposure to filmmaking due to his family's deep ties to the industry. As an 11-year-old he made his acting debut as Billy Crystal's son in the 1991 comedy film City Slickers. His parents did not allow him to appear in the 1992 film The Mighty Ducks because it would have required him leaving home for two months. In subsequent years, his parents allowed him Read more...