Pro: Valentin Chmerkovskiy
Danica McKellar, best known as Winnie Cooper on The Wonder Years and Elsie Snuffin on The West Wing, is a New York Times bestselling author with her three groundbreaking books, Math Doesnít Suck, Kiss My Math and Hot X: Algebra Exposed. She is also the author of Girls Get Curves: Geometry Takes Shape.
A summa cum laude graduate of UCLA, McKellar wrote a theorem that has been dubbed "The Chayes-McKellar-Winn Theorem," and was published in Britainís esteemed Journal of Physics. Her recent acting roles include appearances on How I Met Your Mother and The Big Bang Theory.
Danica McKellar - Dancing With The Stars - ABC.com