"Allison (former best friend of Kathy (played by 14-17 year old Melanie Henderson (born in 9/20/1957) in seasons 1-4 (1971-1975)) and former Short Circus band member) (played by the 1972-1973 singer named 14-16 year old Denise Nickerson (born in 4/1/1957)) (Season 2 (1972-1973))"