Maggie Gyllenhaal was born on November 16, 1977 in New York City, New York as Margalit Ruth Gyllenhaal, the daughter of producer/screenwriter Naomi Foner and director Stephen Gyllenhaal, and the older sister of actor Jake Gyllenhaal. She is of Ashkenazi Jewish (mother) and Swedish, English, and German (father) descent.

She made her film debut in Waterland (1992). She had sporadic roles throughout her teenage years though she took a break to attend Columbia University where she graduated w/ a degree in literature in 1999. In addition, she briefly studied at the Royal Academy of Dramatic Arts in London, which helped w/ her post-graduation transition back into acting.

Soon after graduating, she had supporting roles in Cecil B. Demented (2000) & Donnie Darko (2001). Her breakout role came later when she starred in Secretary (2002), which earned her a Golden Globe nomination. She followed that up w/ supporting roles in 40 Days and 40 Nights (2002), Confessions of a Dangerous Mind (2002), Adaptation. (2002), & Mona Lisa Smile (2003) among other movies. She received her 2nd Golden Globe nomination for playing a recent prison parolee in Sherrybaby (2006). She followed that up w/ roles in World Trade Center (2006), Stranger Than Fiction (2006) & The Dark Knight (2008).

In 2009, she received great acclaim for her role in Crazy Heart (2009), which earned her 1st Oscar nomination. Since then, she has been seen in Nanny McPhee Returns (2010), Hysteria (2011) & Won't Back Down (2012).