She made four guest appearances on Perry Mason between 1959–1963, including the role of murderer Barbara Heywood in the 1959 episode, "The Case of the Bedeviled Doctor". King continued to act on television until 1990 when she played her final role on the Murder, She Wrote episode, "The Fixer-Upper". She appeared twice more as herself on the A&E series, Biography, recalling her work with Peter Lorre and Montgomery Clift.