​From Wikipedia, the free encyclopedia. Jenilee Harrison (born June 12, 1959, height 5' 8" (1,73 m)) is an American actress possibly best known for her role as replacement blonde roommate Cindy Snow on the hit sitcom Three's Company from 1980–1982 and Jamie Ewing in Dallas from 1984–1986. Description above from the Wikipedia article Jenilee Harrison, licensed under CC-BY-SA, full list of contributors on Wikipedia.