Biographie: From Wikipedia, the free encyclopedia. Julia Duffy (born Julia Margaret Hinds; June 27, 1951) is an American actress from Minneapolis, Minnesota, specializing in character roles, best known as the spoiled rich girl and Dick Loudon's (played by Bob Newhart) inn maid, Stephanie Vanderkellen, on the 1980s sitcom, Newhart. Description above from the Wikipedia article Julia Duffy, licensed under CC-BY-SA, full list of contributors on Wikipedia