- Source of Wealth: Film, Television
- Age: 42
- Birth Place: New York City, New York, United States
- Height: 5′ 9″ (1.76 m)
- Marital Status: Married (Peter Sarsgaard)
- Full Name: Margaret Ruth “Maggie” Gyllenhaal
- Nationality: American
- Date of Birth: November 16, 1977
- Ethnicity: Swedish, English, Swiss, German, Welsh, French, Ashkenazi Jewish
- Occupation: Actress
- Education: Columbia University
- Children: 2 (Ramona Sarsgaard, Gloria Ray Sarsgaard)
Margaret Ruth “Maggie” Gyllenhaal has an estimated net worth of $15 million. Gyllenhaal was born in New York, but the film-enthusiast family moved to Los Angeles when she was still young. Her father is a director, her mother is a screenwriter, and her younger brother is the popular actor Jake Gyllenhaal. Jake and Maggie both starred in the 2001 Indie film Donnie Darko.
Maggie debuted as an actress in the film Waterland in 1992. She wanted to go to college and turned down film offers. Later, she returned to acting. She continued playing supporting roles in films including Secretary (2002), World Trade Center (2006), Trust the Man (2006), The Dark Knight (2008), and The Corrections (2012). She is also known for her role in White House Down (2013) that stars Channing Tatum and Jamie Foxx. Maggie was noted to prefer “roles that challenge people to question where they are in life” or that “move the world forward.” The actress reportedly earns $500,000 in every film.