American actress Christine Baranski is well known for her extensive filmography and her recurring role on the sitcom Cybill.However, it was her regular stint on The Big Bang Theory that made her famous. Baranski developed a close relationship with the cast members, including Jim Parsons.

Parsons spoke highly of Baranski, saying that he had admired her as an actor even before working with her. He described the experience of working with her as rewarding and interesting.Cuoco posted a picture on Instagram of her and Baranski in an intense embrace, captioning it with excitement for the last few episodes of The Big Bang Theory.

Baranski became widely known as Leonard's mother on the show and embraced her popularity, even being recognized in public as such. Since the show ended, Baranski has continued to have a successful career, including starring in The Good Fight and other TV shows and films.

Currently, she can be seen in The Gilded Age, an American historical drama television series. Baranski plays one of the main characters in the show, which is set in the late 19th century.