Maggie Gyllenhaal net worth: Maggie Gyllenhalls is an American stage and screen actress who has an estimated net worth of has a net worth of $15 million dollars. Maggie Gyllenhaal was born in New York City in 1977. She She is the daughter of director Stephen Gyllenhaal and screenwriter Naomi Foner and the older sister of actor Jake Gyllenhaal. She made her stage debut in made her theatrical debut in the Berkeley Repertory Theatre production of "Closer" in 2000. Maggie Gyllenhaal's first major role was in 2001′s "Donnie Darko" and her breakthrough role was in 2002′s sadomasochistic romance, "Secretary"alongside James Spader for which she garnered a Golden Globe nomination. She has appeared in more than 25 films including "Cecil B. Demented", "Riding in Cars With Boys", "Happy Endings", "Trust the Stranger", "Confessions of a Dangerous Mind", "Adaptation", "40 Days and 40 Nights", "Mona Lisa Smile", "Stranger Than Fiction", "Sherrybaby", "Paris Je T'aime", "World Trade Center", "The Dark Knight", "Crazy Heart", "White House Down", "Won't Back Down", "Away We Go", and "Nanny McPhee Returns". Like her parents, Maggie is a politically active Democrat. Maggie Gyllenhaal is married to the actor Peter Sarsgaard who is a close friend of her brother Jake. The couple has two daughters.