Biography: ​From Wikipedia, the free encyclopedia.   Mary Lucy Denise Henner (born April 6, 1952), known professionally as Marilu Henner, is an American actress, producer, and New York Times best-selling author best-known for her role as Elaine O'Connor Nardo on the sitcom Taxi from 1978 to 1983. Description above from the Wikipedia article  Marilu Henner, licensed under CC-BY-SA, full list of contributors on Wikipedia.