Sandra Kay Duncan (born February 20, 1946) is an American actress, comedian, dancer and singer. She is a three-time Tony Award nominee, including for the title role in the 1979 revival of Peter Pan, and a two-time Emmy Award nominee. On screen, she is perhaps best remembered as a regular panelist on The Hollywood Squares and for The Hogan Family, replacing Valerie Harper as the mother figure from the third season onward.