Telma Hopkins

Telma Louise Hopkins (born October 28, 1948) is an American actress and singer. She was a member of the 1970s pop music group Tony Orlando and Dawn. She is known for her television roles such as Isabelle Hammond in "Bosom Buddies" (1980–82), Adelaide "Addy" Wilson on "Gimme a Break!" (1983–87) and "Family Matters" (1989–1997) as Rachel Baines–Crawford. 
Hopkins co-starred in 1984 science fiction movie "Trancers" and in its sequels "Trancers II" (1991) and "Trancers III" (1992) and "Trancers IV" (2019).