Later she played a similarly high-profile regular role in a successful sitcom, portraying dizzy wife Thelma in Kingswood Country starting in 1980. She left the series in 1982, and in the script Thelma was sent off on a world cruise. She later sent word she would not be returning to her husband and Farr did not return to the series.
Aside from these roles Farr has had a long and busy career acting in dramatic roles in film and theatre, and television. She has had guest roles in drama series, television movies and miniseries. Television roles of the 1970s include guest spots on dramas including the Crawford Productions police shows, and a recurring role in soap opera Number 96 in 1974 and 1975, playing in comedy storylines. Later guest appearances include roles in A Country Practice, All Saints and CrashBurn.