Telma Louise Hopkins born October 28, 1948 is an American actress and singer. Hopkins rose to prominence as a member of the 1970s pop music group Tony Orlando and Dawn, which had several number-one songs. She also performed on the CBS variety show Tony Orlando and Dawn from 1974 until 1976 along with Tony Orlando and Joyce Vincent Wilson. In the late 1970s, Hopkins began working as an actress, playing roles on various sitcoms, including Isabelle Hammond on Bosom Buddies (1980–82), Adelaide "Addy" Wilson on Gimme a Break! (1983–87) and Family Matters (1989–1997) as Rachel Baines–Crawford.