As Mary Sunshine in Chicago.
Christine Jane Baranski (born May 2, 1952) is an American Stage and Screen Actress, known for her Emmy Award-winning portrayal as Maryanne Thorpe in the Sitcom Cybill, Dr. Beverly Hofstadter (Leonard Hofstadter's mother) in The Big Bang Theory and her Emmy-nominated portrayal of Dian Lockhart in The Good Wife.