Mark Hamill acted as Luke Skywalker.
Luke Skywalker . The character , portrayed by Mark Hamill , is an important figure in the Rebel Alliance 's struggle against the Galactic Empire . Mark Hamill . He is best known for playing Luke Skywalker in the Star Wars film series . Star Wars (film) . This conflict disrupts the isolated life of farmhand Luke Skywalker ( Hamill ) , who inadvertently acquires a pair of droids that possess stolen architectural plans for the Death Star .