Peter Mayhew, the actor that plays the giant furry Wookie warrior called Chewbacca ... who flew the Millenium Falcon alongside Chewbacca as Han Solo, and Mark Hamill, known as Luke Skywalker ...
The Wookiee will certainly be there. Lucasfilm president Kathleen Kennedy told Entertainment Weekly last year that Chewbacca will definitely be Han Solo's wingman in the movie.