Dorothy Love

 played the witch telephone operator in the seventh season episode, Paul Revere Rides Again (1970).

Biography
Dorothy Love was born on December 21, 1904, in Grand Chute, Wisconsin, as Dorothy Mae Love. She was an actress who appeared in television and films of the 1960s and 1970s. She was known for The Incredible Melting Man (1977), Caged Heat (1974) and the 1925 film, That Royle Girl. She died on November 27, 1979, in Los Angeles, California. She was 74.

Source
Dorothy Love on the Internet Movie Database. Retrieved on December 29, 2021, edited.