 | Grey DeLisle als Dorothy (voice) |
 | Joe Alaskey als The Wizard of Oz / Droopy / Butch (voice) |
 | Michael Gough als The Scarecrow (voice) |
 | Rob Paulsen als The Tin Man (voice) |
 | Todd Stashwick als The Cowardly Lion (voice) |
 | Frances Conroy als Auntie Em / Glinda (voice) |
 | Laraine Newman als The Wicked Witch of the West / Miss Gulch (voice) |
 | Stephen Root als Uncle Henry / Crows (voice) |
 | Kath Soucie als Tuffy the Munchkin Mouse (voice) |
 | Nikki Yanofsky als Dorothy (singing voice) |
 | Billy West als Tom (voice; uncredited) |
| Spike Brandt | Director |
| Gene Grillo | Writer |
| Matt Williames | Animation |
| Matt Williames | Layout |
| Jay Jackson | Layout |
| Jay Jackson | Animation |
| Tony Cervone | Director |
| Spike Brandt | Producer |
| Spike Brandt | Supervising Producer |
| Alan Burnett | Co-Producer |
| Tony Cervone | Producer |
| Tony Cervone | Supervising Producer |
| Young-Tae Kim | Producer |
| Yuna Diane Kim | Producer |
| Judge Plummer | Associate Producer |
| Sam Register | Executive Producer |
| L. Frank Baum | Characters |
| William Hanna | Characters |
| Joseph Barbera | Characters |
| Ted Blackman | Art Direction |
| Eric Semones | Art Direction |
| Michael Tavera | Original Music Composer |
| Maria Estrada | Casting Director |
| Kyle Stafford | Editor |
| Damon P. Yoches | Editor |
| Adrian Cook | Assistant Production Manager |
| Mike Kadlec | Assistant Production Manager |
| John Roback | Assistant Production Manager |
| Mark A. Keatts | Supervising Dialogue Editor |
| Mark A. Keatts | ADR Editor |
| Kelly Ann Foley | Dialogue Editor |
| Kelly Ann Foley | ADR Editor |
| Patrick J. Foley | ADR Editor |
| Patrick J. Foley | Dialogue Editor |
| Michael Garcia | Dialogue Editor |
| Michael Garcia | ADR Editor |
| Christopher D. Lozinski | Online Editor |
| Scott Cochran | Scoring Mixer |
