Mayim Bialik, known for her role as Amy Farrah Fowler on "The Big Bang Theory," had never even seen the show before auditioning. She got the part after hearing that her character was referenced in a previous season. Bialik's breakout role came in the movie "Beaches," and she went on to star in the sitcom "Blossom." She pursued higher education, earning a Ph.D. in neuroscience, before returning to acting. Bialik's diverse career also includes writing books, hosting a podcast, and directing a film. She is known for her advocacy for mental health and animal rights.