 Set three years after the events of the first film, the Galactic Empire, under the leadership of Darth Vader and the Emperor, pursues Luke Skywalker and the rest of the Rebel Alliance.While Vader relentlessly pursues Luke's friends—Han Solo, Princess Leia, Chewbacca, and —Luke studies the Force under Jedi Master Yoda.The ensemble cast includes Mark Hamill, Harrison Ford, Carrie Fisher, Billy Dee Williams, Anthony Daniels, David Prowse, Kenny Baker, Peter Mayhew, and Frank Oz.