You won’t have seen American actor or Mark Hamill in any TV shows recently, but you ou may well have heard him. Mark, 61, has voiced ed dozens of characters in cartoons including Scooby y Doo, Batman, Futurama and The Cleveland Show. w. Mark, of course, shot to fame in 1977 as Luke e Skywalker in Star Wars ( left) and the sequels s The Empire Strikes Back and Return Of The Jedi. . His last appearance in a series here was in 1999, playing himself in Channel 4’s US sitcom Just t Shoot Sh tM Me!. ! H He’s ’ back in US police drama Criminal Minds this week as serial killer John Curtis (right) in the final two episodes of the eighth series.