Christine Baranski (born May 2, 1952, in Buffalo, New York) is an American actress of Polish descent, trained at the Juilliard School. She won two Tony Awards on Broadway - for The Real Thing (1984) and Rumors (1989) - and was inducted into the American Theater Hall of Fame in 2018. Television audiences know her best as Diane Lockhart in The Good Wife and The Good Fight, as Dr. Beverly Hofstadter in The Big Bang Theory, and as the imperious Agnes van Rhijn in HBO's period drama The Gilded Age (2022-present). Her career spans more than 15 Emmy nominations and three SAG Awards.
Christine Baranski announced her debut on London's West End: in September 2026 she will perform in Noël Coward's play Hay Fever at Wyndham's Theatre alongside Richard E. Grant.
Shakespeare Theatre Company announced that Christine Baranski will receive the inaugural Michael Kahn Award for lifetime contribution to theatre.
At the ATX Television Festival in Austin, Baranski received the Achievement in Television eXcellence award for lifetime contribution to television production.
The third season of the series The Gilded Age (HBO) with Baranski in the role of Agnes van Rhijn premiered on June 22, 2025.
Baranski appeared in the second season of the series Nine Perfect Strangers (Hulu), which premiered on May 21, 2025; she plays the character Victoria alongside Nicole Kidman.
An American comedy about friends trying to save their buddy from a bad romance. A fun film for lovers of witty humor.
An American film exploring the life, art, and marriage of the iconic painter Edward Hopper and his wife Josephine.
