The story of Moses and the Exodus is retold in spectacular, animated fashion     in this dazzling feature -- a first, and largely successful, attempt by          DreamWorks to compete in the in the Disney-dominated field of animated epics.    Featuring the songs of Stephen Schwartz and the voices of Val Kilmer, Ralph    Fiennes, Danny Glover, Steve Martin, Helen Mirren, Sandra Bullock, Michelle    Pfeiffer and Patrick Stewart.                                                  Brenda Chapman/Steve Hickner/Simon Wells---USA---1998---97 mins.