What is Mayim Bialik's Net Worth and Salary? Mayim Bialik is an American actress and neuroscientist who has a net worth of $20 million. Mayim Bialik first gained recognition for her portrayal of a young Bette Midler in the 1989 movie "Beaches."  Today, she is best known for playing Blossom Russo on NBC's "Blossom" and Dr. Amy Farrah Fowler on the CBS sitcom "The Big Bang Theory," a role that...