​From Wikipedia, the free encyclopedia.   Mary Gross (born March 25, 1953) is an American comedian and actress, perhaps best known for her four-year stint on Saturday Night Live from 1981 to 1985. Her credits also include minor roles on Animaniacs, Boston Legal and Sabrina, the Teenage Witch. Gross's trademark is her soft, treacly voice. Description above from the Wikipedia article Mary Gross, licensed under CC-BY-SA, full list of contributors on Wikipedia.