Caroline Margaret McWilliams was an American actress best known for her portrayal of Marcy Hill in the television series Benson. Coincidentally, McWilliams had also appeared in its parent-series Soap as Sally. She was a regular on the CBS soap, Guiding Light (as Janet Norris) for several years and appeared in a short-term role (as Tracy DeWitt) on the NBC soap Another World. She also had a recurring role on Beverly Hills, 90210 playing the mother of Jamie Walters’ character Ray Pruit.
Although she was born in Seattle, McWilliams grew up in Rhode Island. She graduated in 1966 with a bachelor’s degree from Carnegie Mellon University in Pittsburgh. She was married in 1982 to Michael Keaton, with whom she had a son, Sean, born in 1983. They divorced in 1990.