Born: November 16, 1970
Occupation: Model, actress, singer
Biography: Martha Campbell Plimpton is an American actress, singer and former model. Plimpton is a screen, stage and television actress. She first appeared as Jonsy in the feature film The River Rat before rising to prominence in the Richard Donner film The Goonies portraying the character Stef. She then appeared in The Mosquito Coast portraying Emily Spellgood.