, the film works - mostly due to its superior cast of characters . 
(ROOT (S (, ,) (NP (DT the) (NN film)) (VP (VBZ works) (, -) (PP (ADVP (RB mostly)) (IN due) (IN to) (NP (NP (PRP$ its) (JJ superior) (NN cast)) (PP (IN of) (NP (NNS characters)))))) (. .)))
(ROOT (S (, ) (NP (DT ) (NN )) (VP (VBZ ) (, ) (PP (ADVP (RB )) (IN ) (IN ) (NP (NP (PRP$ ) (JJ ) (NN )) (PP (IN ) (NP (NNS )))))) (. )))