 | Orson Bean als Bilbo Baggins (voice) |
 | John Huston als Gandalf the Grey (voice) |
 | Hans Conried als Thorin (voice) |
 | Richard Boone als Smaug (voice) |
 | Theodore Gottlieb als Gollum (voice) |
 | Otto Preminger als Elvenking (voice) |
 | Cyril Ritchard als Elrond (voice) |
 | Paul Frees als Bombur/Troll #1 (voice) |
 | Don Messick als Balin/Troll #3/Goblin/Lord of the Eagles (voice) |
 | John Stephenson als Dori/Great Goblin/Bard (voice) |
 | Jack DeLeon als Dwalin / Fíli / Kíli / Óin / Glóin / Ori / Nori / Bifur (voice) |
 | Glenn Yarbrough als The Balladeer (voice) |
 | Thurl Ravenscroft als Goblin (voice) |
| Jules Bass | Director |
| Arthur Rankin, Jr. | Director |
| J.R.R. Tolkien | Novel |
| Jules Bass | Producer |
| Masaki Îzuka | Producer |
| Arthur Rankin, Jr. | Producer |
| Maury Laws | Original Music Composer |
| Arthur Rankin, Jr. | Production Design |
| Romeo Muller | Screenplay |
| Takashi Hisaoka | Storyboard Artist |
| Tsuguyuki Kubo | Animation Supervisor |
| Maury Laws | Songs |
| Jules Bass | Lyricist |
| Glenn Yarbrough | Songs |
| Tooru Hara | Animation Coordinator |
| Minoru Nishida | Background Designer |
| Hidetoshi Kaneko | Animation |
| Kazuko Itooka | Animation |
| Lester Abrams | Character Designer |
