Bilbo Baggins (voice)
Smaug (voice)
Thorin Oakenshield (voice)
Gandalf The Grey (voice)
The Elvenking (voice)
Elrond (voice)
Gollum (voice) (as Theodore)
Bombur / Bill Huggins - Troll Leader (voice)
Dwalin / Fíli / Kíli / Óin / Glóin / Ori / Nori / Bifur / Bofur / Bert - Troll #2 / Goblin / Orc / Spiders / Wood Elves / Lake People (voice) (as Jack De Leon)
Balin / Tom - Troll #3 / Grinnah - The Goblin / Goblin / Orc / Gwaihir - Lord of the Eagles (voice)
Dori / Bard / Great Goblin (voice)
The Balladeer (voice)
Goblin / Orc / Bolg / Chorus (voice) (uncredited)