I would definitely like to see all of the original cast come back. Harrison Ford and Carrie Fischer should just be a cameo. They're story is over. Mark Hamill shouldn't be the main character, but I think his role needs to be bigger than a cameo. Luke needs to be a big deal in this universe. Billy Dee Williams showing up would be cool also. Would love to see him get a supporting role. Chewie needs to be back, of course, but they got to give Peter Mayhew his old costume, not the one from ROTS, or anything that looks like that. I don't know if I would mind a Hayden cameo. R2-D2 and C-3PO need more than a cameo.

For the most part, though, I think it should be new characters.