Mary Stuart Masterson (born June 28, 1966) is an American actress. She was born in New York City, New York. She is the daughter of Peter Masterson and Carlin Glynn. She attended schools in New York, including eight months studying anthropology at New York University.
She has starred in such movies as Fried Green Tomatoes, Bed of Roses, Benny & Joon, Some Kind of Wonderful and Bad Girls. Her first movie appearance was in the original 1975 movie The Stepford Wives at the age of eight. More recently, she appeared on Law & Order: Special Victims Unit as Dr. Rebecca Hendrix.
She has also appeared on the stage, being nominated for a 2003 Tony as Best Actress in the musical Nine.
From 1990-1992 she was married to George Carl Francisco, then divorced. She later married Damon Santostefano in 2000, but the couple are now divorced.
Will make her big-screen directorial debut in "The Cake Eaters" in 2006.