darth vader was predicted to bring balance to the force
 as anakin during production of return of the jedi the casting crew sought an experienced actor for the role of anakin skywalker since his death was unquestionably the emotional climax of the film and sebastian shaw was selected for the role
 during the production of revenge of the sith christensen asked lucas if a special vader suit could be constructed to fit his own body rather than have a different actor don one of the original sets of vader armor worn by prowse