The character of Superman has featured in four live-action TV series and been played by five different US actors: George Reeves (The Adventures of Superman, syndicated 1951–57); John Haymes Newton and Gerard Christopher (Superboy, syndicated 1988–91); Dean Cain (Lois & Clark: The New Adventures of Superman, ABC 1993–97); and Tom Welling (Smallville, Warner Bros., later CW, 2001–present). A sixth actor, Johnny Rockwell (USA), played the character in The Adventures of Superboy (1961), an untransmitted pilot for an unrealized series. The characters of Superman and Batman have also appeared in numerous cinema serials and animated TV series over the years.