Do not expect the regular Angry Birds cast in this game. Paul Southern from Lucasfilm stated that the Angry Birds iconic birds and pigs have been given personalities to depict famous Star Wars characters.
They are not Angry Birds dressed up as Star Wars characters. They are characters in their own right.
They’ve got personalities which are kind of similar.
Rovio has yet to reveal a full list of all the characters but for now know that the following are confirmed for an appreance: Luke Skywalker, Chewbacca, Leis, Han Solo, Obi-Wan, Darth Vader and off course a horde of stormtroopers.
Angry Birds Star Wars will feature stages based on actual Star Wars locations such as Tatooine and Hoth. Additionally the game will be blessed with the Star Wars soundtrack music as well.
Here is a short teaser trailer for the game.