He has also done voice acting and motion capturing and co-wrote and co-starred in the 2003 movie Moon Child , which also stars Hyde ( vocalist of L'Arc ~ en ~ Ciel ) and Wang Lee Hom ( Taiwanese-American actor-singer ) . In April 2003 , Gackt co-wrote and co-starred in the movie Moon Child , featuring Hyde ( vocalist of L'Arc ~ en ~ Ciel ) and Taiwanese-American singer Leehom Wang .