Trivia:

Long before voicing three of the major villains on Star Wars: The Clone Wars (2008) (Count Dooku, Ziro the Hutt and Cad Bane), Burton voiced Luke Skywalker for a 1979 Disney Read-Along book/record retelling the story of Star Wars (1977). A year later he looped some lines for Star Wars: Episode V - The Empire Strikes Back (1980). Only one of these ended up in the film: Rebel pilot Hobbie's line "...