The celebrity guests, including Star Wars cast members and crew from the entire saga, have been announced for the 4 weekends!

From STARWARS.com

Time to start planning for Star Wars Weekends! Starting in May, fans get to meet an impressive lineup of special guests attending four weekends of Star Wars fun at the Disney Hollywood Studios in Florida. From May 22 to June 14, 2009, fans of all ages will converge to celebrate the heroes, villains, creatures and droids of the saga. In addition to Star Wars costumed characters, fun activities, and the Star Tours theme park ride, celebrity guests will be in attendance for meet-and-greet sessions, star conversations, and a classic Hollywood-style motorcade.

Follow this link for the guest list, photos, and additional details!