The Goonies Cast: Where Are They Now?
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Martha Plimpton (Stephanie "Stef" Steinbrenner)
marked one of Plimpton's first screen credits, and she went on to appear in other '80s films including
The Mosquito Coast
Running on Empty
. She's also had a successful TV career, most recently starring in shows like
The Good Wife
In her teenage years, Plimpton dated one of her costars, the late River Phoenix. She was engaged to actor Jon Patrick Walker in the mid-'90s, but the pair never married. Along with her acting career, Plimpton's also known for being a political activist, and she's one of the founders of the reproductive rights advocacy group
A Is For . . .
Jon Kopaloff / Getty
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