 | Grey DeLisle als Dorothy (voice) |
 | Joe Alaskey als The Wizard of Oz / Butch / Droopy (voice) |
 | Michael Gough als The Scarecrow / Hunk (voice) |
 | Rob Paulsen als The Tin Man / Hickory (voice) |
 | Todd Stashwick als The Cowardly Lion / Zeke (voice) |
 | Frances Conroy als Auntie Em / Glinda (voice) |
 | Stephen Root als Uncle Henry (voice) |
 | Kath Soucie als Tuffy the Munchkin Mouse / Tractor (voice) |
 | James Monroe Iglehart als Calvin Carney / Jitterbug (voice) |
 | Amy Pemberton als Dorothy / The Mouse Queen (voice) |
 | Laraine Newman als The Wicked Witch of the West (voice) |
 | Andrea Martin als The Hungry Tiger (voice) |
 | Jason Alexander als Mr. Bibb / The Nome King (voice) |
 | Spike Brandt als Spike (voice) |
 | Jye Frasca als Gnome (voice) |
| Spike Brandt | Director |
| Tony Cervone | Director |
| Paul Dini | Writer |
| Benj Pasek | Songs |
| Justin Paul | Songs |
| Maria Estrada | Casting |
| Joe Alaskey | In Memory Of |
| L. Frank Baum | Characters |
| William Hanna | Characters |
| Joseph Barbera | Characters |
| Sam Register | Executive Producer |
| Spike Brandt | Supervising Producer |
| Tony Cervone | Supervising Producer |
| Alan Burnett | Co-Producer |
| Kimberly S. Moreau | Line Producer |
| Jim Wyatt | Associate Producer |
| Mike Peraza | Art Direction |
| Michael Tavera | Original Music Composer |
| Dave Courter | Editor |
| Mark A. Keatts | Supervising Dialogue Editor |
| Mark A. Keatts | ADR Editor |
| Mark A. Keatts | Supervising ADR Editor |
| Kelly Ann Foley | Dialogue Editor |
| Kelly Ann Foley | ADR Editor |
| Patrick J. Foley | ADR Editor |
| Patrick J. Foley | Dialogue Editor |
| Michael Garcia | ADR Editor |
| Michael Garcia | Dialogue Editor |
| Darren Griffiths | Online Editor |
| Gabriel Thorburn | Assistant Editor |
| Ruben Procopio | Storyboard Artist |
| Scott Cochran | Scoring Mixer |
