Frank Micelotta / Fox
Famous for: He played John Connor on Fox's "Terminator: Sarah Connor Chronicles." Also had a memorable arc in NBC's " Heroes."
His character: Thomas Picard, a son of Capt. Jean-Luc Picard in an alternate universe, in the " Star Trek: Generations" film. He also appeared as the character Henry Burleigh in a couple of episodes of "Star Trek: Voyager" ("Learning Curve" and "Persistence of Vision").