. . . . . "Nancy Justine McKeon (born April 4, 1966) is an American actress. She is best known for her role as Jo Polniaczek on the long-running NBC sitcom The Facts of Life."@en . . . . . . . "__NOEDITSECTION__ Image:Information-silk.png|Character Template rect 0 0 20 20 Staff Template desc none Nancy McKeon Real Name Unknown First publication Unknown"@en . . . . . "Nancy Justine McKeon"@en . "Nancy McKeon"@en . "1980"^^ . "Nancy Justine McKeon (born April 4, 1966) is an American actress. She is best known for her role as Jo Polniaczek on the long-running NBC sitcom The Facts of Life."@en . "Actress, director"@en . "Nancy McKeon"@en . . . . . "--04-04"^^ . "__NOEDITSECTION__ Image:Information-silk.png|Character Template rect 0 0 20 20 Staff Template desc none Nancy McKeon Real Name Unknown First publication Unknown"@en .