Christine Jane Baranski is an American actress. She received the Primetime Emmy Award for Outstanding Supporting Actress in a Comedy Series for her role as Maryann Thorpe in the sitcom Cybill. Baranski is also known for her roles as Diane Lockhart in the legal drama series The Good Wife and its spin-off series The Good Fight, and as Agnes van Rhijn in the period drama series The Gilded Age, both roles which earned her Primetime Emmy Award nominations.
Baranski is also known for her film roles in Reversal of Fortune, The Birdcage, Cruel Intentions, How the Grinch Stole Christmas, Chicago, Mamma Mia!, Into the Woods, and Mamma Mia! Here We Go Again. For her recurring role as Dr. Beverly Hofstadter in the sitcom The Big Bang Theory, she received four Primetime Emmy Award nominations.
Baranski won two Tony Awards for Best Featured Actress in a Play for her role as Charlotte in Tom Stoppard's The Real Thing and as Chris Gorman in Neil Simon's Rumors. Her other major Broadway credits include Hurlyburly, The House of Blue Leaves, and Boeing Boeing. She also portrayed Mrs. Lovett in the Kennedy Center's production of Sweeney Todd: The Demon Barber of Fleet Street.