Maggie Gyllenhaal was born in New York City as Margalit Ruth Gyllenhaal.
=== 2021-2023 ===In 2021, Gyllenhaal made her feature directorial debut with the psychological drama The Lost Daughter, which she also produced and wrote
 She has a younger brother, actor Jake Gyllenhaal, and a half-brother, Luke, from their father's second marriage

