Born in Chicago, Illinois, Farr first appeared in 1968 in The Virginian episode "Vision of Blindness". Following a featured part in the Academy Award winning drama Missing (1982, with David Clennon, Jerry Hardin, Keith Szarabajka, and Ward Costello), she had guest roles on Simon & Simon (1984, with Fionnula Flanagan and Gregg Henry), Masquerade (1984, with Kirstie Alley), and Newhart (1985, with Tony Papenfuss). In 1989 she was a series regular in the comedy series Live-In.