Christine Jane Baranski is an American film, stage, and television actress who is best known for her television role as Maryann Thorpe on the CBS sitcom Cybill from 1995 to 1998. Since 2009, she currently stars as Beverly Hofstadter on the sitcom The Big Bang Theory and Diane Lockhart on the legal and political drama series The Good Wife and its spin-off The Good Fight on CBS.

She played Prunella Stickler in the 2003 Disney direct-to-video film Eloise at the Plaza and reprised her role in its sequel. She portrayed the Wicked Stepmother in the 2014 Disney live-action fantasy musical film Into the Woods and Carol in Life with Mikey.