Maggie Ruth Gyllenhaal (born November 16, 1977) is an American actress.She is the older sister of Jake Gyllenhaal and the daughter of director Stephen Gyllenhaal and screenwriter Naomi Foner. Gyllenhaal began her acting career in a film directed by her father, and later achieved recognition in her own right playing her real-life brother's on-screen sister in the cult hit Donnie Darko. Gyllenhaal made her breakthrough in the sadomasochistic romance, Secretary, for which she received a Golden Globe nomination.
Gyllenhaal has chosen an eclectic range of roles, from indie films such as Sherrybaby, for which she was also nominated for a Golden Globe, to the romantic comedy Trust the Man and big-budget studio films such as World Trade Center and The Dark Knight.
