Martha Campbell Plimpton is an American film and stage actress, voice actress, singer, and model. She is well known for her roles in films, such as Stef Steinbrenner in 1985's The Goonies, Julie Buckman in 1989's Parenthood, the title character in the 1991 film, Samantha, and Jan in the 1996 comedy Beautiful Girls. She also played Virginia Chance in the Fox sitcom Raising Hope.
She is the daughter of actor Keith Carradine.
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