MPAA Rating: PG/Genre: Animated Adventure-Drama/Voices of: John Hurt, Richard Briers, Michael Graham Cox, John Bennett, Ralph Richardson, Simon Cadell, Roy Kinnear, Terence Rigby, Mary Maddox, Richard O’Callaghan, Denholm Elliott, Zero Mostel, Harry Andrews, Hannah Gordon, Nigel Hawthorne, Lynn Farleigh, Clifton Jones, Derek Griffiths, Michael Hordern, Joss Ackland, Michelle Price; Narrated…