Cash appeared on the New York-area television show Callback!, which featured musical director Barry Manilow.

!, A Different World, Good Times, The Mary Tyler Moore Show, Frank's Place, Kojak, Barney Miller, Benson, Roc, Police Woman, Family Ties, Head of the Class, The Golden Girls, and L.A. Law.

Cash was nominated for an Emmy Award for her work on the Public Broadcasting Service production of Go Tell It on the Mountain.

In 1996, she was posthumously nominated for an Emmy Award, Outstanding Supporting Actress in a Drama Series, for her role on General Hospital.

[5] Cash's films included Omega Man (1971), Klute (1971), The New Centurions (1972) with George C. Scott, Uptown Saturday Night (1974) with Bill Cosby and Sidney Poitier, and Wrong Is Right (1982).