works because of the ideal casting of the masterful british actor ian holm as the aged napoleon 
(ROOT (NP (NP (VBZ works)) (PP (IN because) (IN of) (NP (NP (DT the) (JJ ideal) (NN casting)) (PP (IN of) (NP (NP (DT the) (JJ masterful) (JJ british) (NN actor)) (NP (NNP ian) (NN holm)))) (PP (IN as) (NP (DT the) (JJ aged) (NNP napoleon)))))))
(ROOT (NP (NP (VBZ )) (PP (IN ) (IN ) (NP (NP (DT ) (JJ ) (NN )) (PP (IN ) (NP (NP (DT ) (JJ ) (JJ ) (NN )) (NP (NNP ) (NN )))) (PP (IN ) (NP (DT ) (JJ ) (NNP )))))))