Jacob Benjamin 'Jake' Gyllenhaal (born December 19, 1980) is an American actor.The son of director Stephen Gyllenhaal and screenwriter Naomi Foner, Gyllenhaal began acting at age ten.He has appeared in diverse roles since his first lead role in 1999's October Sky, followed by the 2001 indie cult hit Donnie Darko, in which he played a psychologically troubled teen and onscreen brother to his real-life sister, actress Maggie Gyllenhaal.In the 2004 science-fiction film The Day After Tomorrow he portrayed a student caught in a cataclysmic global cooling event, alongside Dennis Quaid as his father.He then played against type as a frustrated Marine in Jarhead (2005).The same year, he garnered critical acclaim and an Academy Award nomination for Best Supporting Actor as Jack Twist in the film Brokeback Mountain opposite Heath Ledger. This book is your ultimate resource for Jake Gyllenhaal. Here you will find the most up-to-date information, photos, and much more. In easy to read chapters, with extensive references and links to get you to know all there is to know about his Early life, Career and Personal life right away. A quick look inside: Jake Gyllenhaal, City Slickers, Josh and S.A.M., Homegrown (film), Donnie Darko, Bubble Boy (film), Lovely & Amazing, Highway (2002 film), Moonlight Mile (film), The Good Girl, Abby Singer (film), The Day After Tomorrow, Brokeback Mountain, Jarhead (film), Proof (2005 film), Zodiac (film), Rendition (film), Brothers (2009 film), Prince of Persia: The Sands of Time (film), Love and Other Drugs, Source Code.