nightstalkerpoet said:
New interview with Lucas biographer:
http://www.thewrap.com/movies/column-post/star-wars-7-8-and-9-are-most-exciting-says-george-lucas-biographer-exclusive-63006
...Lucas was unlikely to turn to Mark Hamill, who played Luke in the original but whose performance left the director dissatisfied.
Because Lucas knows so much about quality acting and which actors are capable of it?