Salem Place: A Days of our Lives Discussion Forum

 This article lists all the actors/characters who are scheduled to return to Salem for the tribute to Alice Horton.  If the list is accurate and some of them do stay for more than a one-day stint, then I'll be quite impressed with how Days handles this:

 daysofourlives.about.com/b/2010/03/17/many-happy-returns-2.htm