Trailer
Images
 | Mariah Carey as Older Mariah (voice) |
 | Breanna Yde as Mariah (voice) |
 | Henry Winkler as Grandpa Bill (voice) |
 | Laya DeLeon Hayes as Vicky (voice) |
 | Montse Hernandez as Grace (voice) |
 | Issac Ryan Brown as Brett (voice) |
 | Bria Danielle Singleton as Beth (voice) |
 | Phil Morris as Bud (voice) |
 | Lacey Chabert as Penelope (voice) |
 | Charlie Adler as Santa / Mr. Ingersoll / Dougie’s Dad (voice) |
 | Rachel Eggleston as Holly (voice) |
 | Julian Zane as Ernesto (voice) |
 | Karim Saleh as Mr. Tyabji (voice) |
 | Connie Jackson as Grandma Lucy (voice) |
 | Keiko Agena as Emiko (voice) |
 | Dee Bradley Baker as Jack (voice) |
 | Ali Eagle as Mrs. Alexander (voice) |
 | Michelle Bonilla as Principal Reyes (voice) |
 | Monroe Cannon as Michelle (voice) |
| Moroccan Cannon as Dougie (voice) |
| Writing | |
| Temple Mathews | Writer |
Directing | |
| Guy Vasilovich | Director |
Production | |
| Stella Bulochnikov | Executive Producer |
| Mariah Carey | Executive Producer |
Editing | |
| Richard Finn | Editor |
Production | |
| Ciara Anderson | Line Producer |
| Mike Bujniewicz | Associate Producer |
| Chris Meledandri | Co-Executive Producer |
| Steven Rosen | Producer |
| Liz Young | Producer |
| Mike Young | Producer |
Sound | |
| Matthew Gerrard | Original Music Composer |
| Marco Luciani | Original Music Composer |
Crew | |
| Stacey Simmons | Post Production Supervisor |
Art | |
| Julia Briemle | Storyboard Artist |
| Villamor Cruz | Storyboard Artist |
| John Eng | Storyboard Artist |
| Peter Ferk | Storyboard Artist |
Crew | |
| Lindsay Garber | Title Graphics |
Visual Effects | |
| Brent Gordon | Character Designer |
Art | |
| Gloria Jenkins | Storyboard Artist |
| Lenord Robinson | Storyboard Artist |
| Larry Scholl | Storyboard Artist |
Sound | |
| Trip Brock | Supervising Sound Editor |
| Lorita de la Cerna | Foley Artist |
| Demetri Evdoxiadis | Sound Effects Editor |
| K. Joshua Fernberg | Sound Effects Editor |
| Zack Goldsborough | Sound Recordist |
| Alex Johnson | Foley Editor |
| Alex Johnson | Foley Mixer |
| Alexander Jongbloed | Foley Editor |
| Alexander Jongbloed | Sound Effects Editor |
| Raymond Park | Sound Effects Editor |
| G.W. Pope III | Sound Effects Editor |
| Kelly Vandever | Sound Re-Recording Mixer |
Visual Effects | |
| Anu Babu | Digital Compositor |
Crew | |
| Parshuram Dhulgande | Compositor |
Visual Effects | |
| Jitendra Jharbade | Visual Effects |
| Dhananjay Kumar | Compositing Supervisor |
| Rajesh Rasappa | Digital Compositor |
| Janmajoy Roy | Digital Compositor |
| Sanjith Shetty | Digital Compositor |
| Munavvar Ali | Animation |
Editing | |
| Hugo Shih | Colorist |
Production | |
| Aliya Parvez | Production Assistant |
| Sanket Shembekar | Production Coordinator |
