LucasFilm, as expected, has been tight lipped when asked exactly which of the characters from the original Trilogy will be appearing in the Prequel Trilogy.

So far, LucasFilm has officially stated that Obi-Wan Kenobi, a young Anakin Skywalker, Yoda, R2-D2, See Threepio, Palpatine, Jawas, Sand People and Jabba the Hutt will definitely be appearing in Episode 1.

George Lucas informed that Boba Fett will not appear in Episode 1, but Fett will have a "prominent" role in Episode 2.

Many are speculating that we may get to see at least cameo appearances of Bail Organa, Mon Mothma, Tarkin, Aunt Beru and Uncle Owen Lars, baby Luke and Leia, Chewbacca, Lobot, young Lando and Han, Bossk, 4-LOM, the older Imperial officers, the older Alliance officers, Rontos, Dew Backs, Krayt Dragons in the Prequel Trilogy.