Markie Post (born Marjorie Armstrong Post on November 4, 1950, in Palo Alto, California) is an actress, best known for her 1985-1992 role as Christine Sullivan on the NBC sitcom Night Court. She later played Georgie Anne Lahti Hartman on Hearts Afire (1992-1995). Her film credits include There's Something About Mary (1998), in which she played Sheila Jensen, the mother of Cameron Diaz's character.
She was a card dealer on the NBC Jim Perry version of Card Sharks from 1978 through 1981. Post also often appeared as a celebrity player on various game shows, at which she usually excelled; she was particularly proficient on Pyramid and Password. She also appeared in the science fiction show Buck Rogers in the 25th Century. She has been a guest actress appearing frequently on Scrubs (playing the mother of Dr. Elliot Reid) and on The District.
She is the daughter of noted scientist Richard F. Post, who is famous for his patents in the fields of nuclear fusion, particle accelerators, and electronic and mechanical energy storage.
Post grew up in Walnut Creek, California, is married to actor and writer Michael A. Ross, and has two daughters.
Post was mentioned on American Dad by Stan Smith when he assumed she was dead and asked, "someone google Markie Post."
She is currently working on a movie titled Cook Off! as the character Christine Merriweather. The film is now in production and is scheduled to be released in 2006.