Martha Plimpton
Martha Campbell Plimpton is an American stage, film, and television actress, singer, and former model. Her feature film debut was in The River Rat before rising to prominence in the Richard Donner film The Goonies . She has also appeared in The Mosquito Coast , Running on Empty , Parenthood , Raising Hope and Small Town Murder Songs .
Plimpton was born in New York City. She is the daughter of actors Keith Carradine and Shelley Plimpton. Her parents met while performing in the original Broadway run of Hair. Her paternal grandfather was actor John Carradine.
Source: Wikipedia