Winnie Cooper Stepped Away From Hollywood, Co-Proved a Math Theorem That Carries Her Name — Now Danica McKellar Has Two New Christmas Movies This Month

Many child stars struggle to move past the role that made them famous. Others get swept up in Hollywood’s party scene. Danica McKellar fits neither of these stereotypes. While she is probably still best remembered for her role as Winnie Cooper on The Wonder Years (87% audience score on Rotten Tomatoes) , she went on to become a published math whiz and a Christmas movie staple — with major success in both fields. Let’s revisit how the 51-year-old actress landed her breakout role, what she did after that, and how she’s spending the festive season in 2026, including the two new Christmas movies she has premiering this month! How Danica McKellar Beat Her Sister Crystal to the Role of Winnie Cooper on The Wonder Years Image Credit: The Black/Marlens Company, New World Television Born on January 3, 1975, Danica McKellar grew up in California alongside her younger sister, Crystal.

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