Christine Jane Baranski (born May 2, 1952) is an American actress and singer. She is a 15-time Emmy Award nominee, winning once in 1995 for Outstanding Supporting Actress in a Comedy Series for her role as Maryann Thorpe in the sitcom Cybill (1995–98). Baranski has received further critical acclaim for her performance as Diane Lockhart in the legal drama series The Good Wife (2009–16) and its spinoff series The Good Fight (2017–present).
Baranski has appeared in several television films, such as her portrayal of Kate in To Dance with the White Dog (1993), Prunella Stickler in Eloise at the Plaza and Eloise at Christmastime (both 2003), and Amanda in Who Is Simon Miller? (2011). Her major Broadway credits include Hide and Seek (1980), Hurlyburly (1984), The House of Blue Leaves (1986), Nick & Nora (1991), and Boeing Boeing (2008). Baranski has also starred in numerous films, including 9½ Weeks (1986), Reversal of Fortune (1990), Dr. Seuss's How the Grinch Stole Christmas (2000), Into the Woods (2014), and Mamma Mia! Here We Go Again (2018).
Baranski won two Tony Awards for Best Featured Actress in a Play for the original Broadway productions of The Real Thing in 1984 and Rumors in 1989. For her recurring role as Dr. Beverly Hofstadter in the sitcom The Big Bang Theory (2009–19), she received four Emmy nominations.