Christine Baranski is an American actress. She started her performing career on Broadway in the 1980s. During the same time, she was already productive on both TV and movies. She got her first main role on the small screen in the 1990s. This was as Maryanne Thorpe on the TV series Cybill. In the 2000s, she had regular roles on the TV shows Welcome to New York and Happy Family. Her greatest role on television was as Diane Lockhart on The Good Wife. In addition, she’s also played the role of Dr. Beverly Hofstadter on the sitcom The Big Bang Theory.