Jake Gyllenhaal is an American actor.
The son of director Stephen Gyllenhaal and screenwriter Naomi Foner, Gyllenhaal began acting at the age of ten. Following his first lead role in 1999's October Sky, he starred in the indie cult hit Donnie Darko, in which he played a psychologically troubled teenager alongside his older sister, actress Maggie Gyllenhaal. In 2002, he starred in another indie film, The Good Girl, alongside actress Jennifer Aniston. In 2004, he appeared in the science-fiction film The Day After Tomorrow, portraying a student caught in a cataclysmic global cooling event. He then played against type as a frustrated Marine in Jarhead (2005). Gyllenhaal received further recognition for roles in Zodiac (2007), Brothers (2009), Prince of Persia: The Sands of Time (2010), Love & Other Drugs (2010), for which he was nominated for a Golden Globe Award for Best Actor – Motion Picture Musical or Comedy, Source Code (2011), End of Watch (2012), Prisoners (2013), Nightcrawler (2014), and Southpaw (2015). For Nightcrawler, his performance was widely acclaimed and received rave reviews from critics and he was nominated for the Golden Globe Award for Best Actor – Motion Picture Drama, the Screen Actors Guild Award for Outstanding Performance by a Male Actor in a Leading Role, and the BAFTA Award for Best Actor in a Leading Role.