Joan Huntington

 played Eva, Boris' feline familiar, in the season three episode, Twitch or Treat (1966).

Biography
Joan Huntington was born on May 31, 1934, in New York City as Joan Bette Cherof. She was an actress and film writer, known for What Ever Happened to Aunt Alice? (1969), The Honkers (1972) and Burke's Law (1963).

Other television appearances included Ben Casey, My Three Sons, Bonanza, Perry Mason, Bewitched, The Man from U.N.C.L.E., Daktari, I Spy, The Wild Wild West, Ironside and The Beverly Hillbillies.

She was previously married to director, producer and writer Laurence Merrick, with whom she co-wrote the 1973 documentary "Manson".

Joan Huntington died on June 26, 2021, in Palm Springs, California. She was 87.