 | Felix Avitia als Littlefoot (voice) |
 | Anndi McAfee als Cera / Petrie's Mom / Digger (voice) |
 | Aria Noelle Curzon als Ducky / Digger (voice) |
 | Jeff Bennett als Petrie / Digger (voice) |
 | Rob Paulsen als Spike / Skinny Digger (voice) |
 | Barry Bostwick als Grandpa (voice) |
 | Miriam Flynn als Grandma (voice) |
 | Damon Wayans Jr. als Wild Arms (voice) |
 | Reba McEntire als Etta (voice) |
 | Scott Whyte als Bron (voice) |
 | Meghan Strange als Ruby / Mama Swimmer (voice) |
 | Tony Amendola als Narrator (voice) |
 | George Ball als Cera's Dad (voice) |
 | Issac Ryan Brown als Chomper (voice) |
| Davis Doi | Director |
| Lisa Melbye | Producer |
| Luke Guidici | Editor |
| Michael Tavera | Original Music Composer |
| Deirdre Brenner | Producer |
| Tony Tupilano | Director |
| Sheldon Arnst | Creative Director |
| Jessie Hsiung | Supervising Art Director |
| Bunis Yang | Supervising Art Director |
| Cliff Ruby | Screenplay |
| Elana Lesser | Screenplay |
| Judy Freudberg | Characters |
| Tony Geiss | Characters |
| Andoni Achaval | Producer |
| George Chang | Executive Producer |
| John Dale Cunanan | Associate Producer |
| Oliver Guse | Executive Producer |
| Lee Hsu | Executive Producer |
| Enni Hsueh | Executive Producer |
| Doris Quemado | Line Producer |
| CoCo Tsai | Producer |
| Bunis Yang | Executive Producer |
| Michele Brourman | Songs |
| Amanda McBroom | Songs |
| Susan Blu | Casting |
| Ruth Lambert | Casting |
| Robert McGee | Casting |
| Sean Platter | Art Direction |
