Christine Jane Baranski (born May 2, 1952) is an American stage actress, singer and producer. She won Tony Awards for her work in the original Broadway productions of The Real Thing in 1984 and Rumors in 1989, both for Best Featured Actress in a Play. For her television work, she is a 15-time Emmy nominee, winning once in 1995 for Outstanding Supporting Actress in a Comedy Series for her role as Maryanne Thorpe in the sitcom Cybill (1995–98). She has also received critical acclaim for her performance as Diane Lockhart in the legal drama The Good Wife and its subsequent spinoff The Good Fight.
Baranski's other Broadway credits include her debut in Hide and Seek (1980), Hurlyburly (1984), The House of Blue Leaves (1986) and Boeing Boeing (2008). A 15-time Emmy Award nominee, her other television work includes her portrayals of Diane Lockhart in The Good Wife and the spin-off series The Good Fight, and Dr. Beverly Hofstadter in The Big Bang Theory. Her film roles include 9½ Weeks (1986), Legal Eagles (1986), Reversal of Fortune (1990), Addams Family Values (1993), Jeffrey (1995), The Birdcage (1996), Bulworth (1998), Cruel Intentions (1999), Bowfinger (1999), Dr. Seuss' How the Grinch Stole Christmas (2000), Chicago (2002), Mamma Mia! (2008), Into the Woods (2014), Trolls (2016), and A Bad Moms Christmas (2017).