Jules Bass Director, Producer Arthur Rankin Jr. Director, Producer, Production Design Orson Bean Bilbo Baggins Voice John Huston Gandalf the Grey Voice Otto Preminger Elvenking Voice Cyril Ritchard Elrond Voice Brother Theodore Gollum Voice Paul Frees Bombur Voice Christopher Weeks Dwalin, Fili, Kili, Oin, Gloin, Nori, Ori, Bifur, Bofur, Goblins Voice Don Messick Balin Voice John Stephenson Dori, Great Goblin, Bard Voice Richard Boone Smaug Voice Hans Conried Thorin Voice Romeo Muller Screenwriter Maury Laws Original Music