Danica McKellar Now
McKellar still acts, having guest-starred on “The West Wing” and “How I Met Your Mother” and in the TV film “Crown for Christmas.” She’s also performed voice-acting on shows like “Phineas and Ferb” and “Young Justice.” In addition to continuing her acting career, she’s written several books about math, including “Math Doesn’t Suck,” “Kiss My Math,” “Hot X: Algebra Exposed” and “Girls Get Curves: Geometry Takes Shape.”