Played By: Mayim Bialik

Believe it or not, actress Mayim Bialik is as smart off-screen as she is the series! For those who might not know, Bialik earned a Ph.D. in neuroscience from UCLA. However, you’re more likely familiar with Bialik’s work as a child star on the NBC sitcom, Blossom. Meanwhile, for her Big Bang role, Bialik earned four Emmy nominations and won two Critics’ Choice Awards.

Off-camera, Bialik has become a vocal speaker on many issues, including parenting, depression, modesty in Tinseltown, and her Jewish faith. Not only that, but she has also published several books, including one about attachment parenting and a vegan cookbook. We can wait to see what she’ll do next!