Mark Richard Hamill (born September 25, 1951) is an American actor, voice artist, producer, director, and writer, best known for his performance as Luke Skywalker in the original Star Wars trilogy, as well as his voice role as the Joker in Batman: The Animated Series, its various spin-offs, and the video games Batman: Arkham Asylum and Batman: Arkham City. Hamill has also lent his voice to various other villains, such as the Hobgoblin on the 1990s Spider-Man TV series, and anti-heroes in various other animated productions.