The Tucan-style villa covered in ivy, with balconies and fountain in an interior courtyard, was built to fit the tastes of Robert Zemeckis, the writer and producer of "Back to the Future" and "Forrest Gump." A hug, white modernist structure housed Ivan Reitman, who made "Ghost-busters" and Dave. A blue Cape Cod house with Adirondack chairs in the front yard provided a cozy office for Michael Lobell,