<P> Wayne Pygram appears as a younger Grand Moff Tarkin ; and stunt coordinator Nick Gillard appears as a Jedi named Cin Drallig ( his name spelled backward , without the k ) . Editor Roger Barton 's son Aidan Barton portrays Luke Skywalker and Leia Organa as infants . James Earl Jones possibly provides the uncredited voice of Darth Vader ; when specifically asked if he had supplied the voice -- either newly or from a previous recording -- Jones answered , `` You 'd have to ask Lucas about that . I do n't know '' . </P>
who played luke skywalker in revenge of the sith
Editor Roger Barton 's son Aidan Barton