Nancy McKeon was born in Westbury, New York to Don and Barbara McKeon, began modeling baby clothes for the Sears catalog at the age of two and she and her brother did over sixty-five commercials in seven years. When her brother, Philip McKeon, won a role on the TV series, Alice (1976), the family moved to Los Angeles.
Her first real acting break came when she did the short-lived TV series, Stone (1979), and guested on Starsky et Hutch (1975). The producers of Drôle de vie (1979) were so impressed by Nancy's performance as the street-wise girl in a pilot called "Dusty", they decided to sign her to play "Jo" on "The Facts of Life". Nancy has starred in the television movies, High School U.S.A. (1983), Graine de canaille (1985), Cet enfant est le mien (1985) and Combattante du feu (1986). She provided the voices for animated shows like ABC Weekend Specials: The Puppy's Great Adventure (1979).
