Liam Neeson is one of seven actors who has played a character from Star Wars and Batman. William Hootkins, who played an X-Wing pilot in the first Star Wars, played Lt. Eckhardt in Batman. Garrick Hagon, who played Biggs, played a mugging victim. Billy Dee Williams, who played Lando Calrissian, originated the role of Harvey Dent. Mark Hamill, who played Luke Skywalker, also voiced The Joker in Batman: The Animated Series. Clive Revill, the first actor to play Darth Sidious, voiced Alfred Pennyworth before being replaced by Efrem Zimbalist, Jr. Brock Peters, who voiced Darth Vader in the radio adaptation of the original trilogy, voiced Lucuis Fox on the television series. Neeson played Qui-Gon Jinn and Henri Ducard/ Ra's-Al-Ghul. He is the only Star Wars actor who shares his Batman role with a Star Trek actor. In Batman: The Animated Series, Ra's-Al-Ghul is voiced by David Warner, who appeared in Star Trek V and VI.