| Person | Type | Job | Role(s) |
|---|---|---|---|
 Chris Meledandri | Crew | Production | Producer |
 Cinco Paul | Crew | Directing | Director, Writer |
 David Feiss | Crew | Writing | Writer |
 Derek Drymon | Crew | Directing | Director |
 Dr. Seuss | Crew | Writing | Characters |
 Jeff Lowell | Crew | Writing | Writer |
 Josh Lieb | Crew | Writing | Screenplay, Writer |
 Ken Daurio | Crew | Directing | Director, Writer |
 Kyle Balda | Crew | Directing | Director |
 Ted Travelstead | Crew | Writing | Screenplay, Writer |
 Yarrow Cheney | Crew | Directing | Director, Writer |
Andrew Walton | Crew | Writing | Story |
Brett Hoffman | Crew | Production | Producer, Writer |
Bruno Chauffard | Crew | Directing | Director |
Bruno Dequier | Crew | Directing | Director |
Eric Favela | Crew | Directing | Director, Story |
 Régis Schuller | Crew | Directing | Director |
Van Robichaux | Crew | Writing | Writer |
Evan Susser | Crew | Writing | Writer |
Guy Bar'ely | Crew | Directing | Director |
Matthew Nealon | Crew | Directing | Director |
Glenn McCoy | Crew | Directing | Director |
Brett Konner | Crew | Writing | Screenplay |
Boris Jacq | Crew | Directing | Director |
Habib Louati | Crew | Directing | Director |
Thierry Noblet | Crew | Directing | Director |
Frank Baradat | Crew | Directing | Director |
Jennifer Sumbu Longe | Crew | Writing | Story |
 Carlos Alazraqui | Cast | Actor | Santa / Driver / Adult Reindeer / Elves (voice) |
 Chris Renaud | Cast | Actor | Norman / Pipsqueak (voice) |
 Danny DeVito | Cast | Actor | The Lorax (voice) |
 Danny Mann | Cast | Actor | Harold (voice) |
 Dave Rosenbaum | Cast | Actor | Ice Cream Vendor / Additional Voices (voice) |
 Jessica DiCicco | Cast | Actress | Scouts (voice) |
 Jim Ward | Cast | Actor | Additional Voices (voice) |
 John DiMaggio | Cast | Actor | Scout Master (voice) |
 John Kassir | Cast | Actor | Coffee Shop Manager (voice) |
 Lori Alan | Cast | Actress | Marilyn (voice) |
 Raymond S. Persi | Cast | Actor | Head Elf (voice) |
 Robert Morse | Cast | Actor | Herman (voice) |
 Steve Carell | Cast | Actor | Gru (voice) (uncredited) |
 Tara Strong | Cast | Actress | Scouts / Shop Owner / Baby Reindeer / Elves (voice) |
 Benedict Cumberbatch | Cast | Actor | The Grinch (voice) |
 Brian T. Delaney | Cast | Actor | Mailman / Adult Reindeer / Elves (voice) |
 Colette Whitaker | Cast | Actress | Additional Voices (voice) |
 Ed Helms | Cast | Actor | Once-ler (voice) |
 Garth Jennings | Cast | Actor | Miss Crawly (voice) |
 Miranda Cosgrove | Cast | Actress | Margo (voice) |
 Pierre Coffin | Cast | Actor | Minions (voice) |
 Dana Gaier | Cast | Actress | Edith (voice) |
 Elsie Fisher | Cast | Agnes (voice) | |
Régis Schuller | Cast | Actor | Jewel Thief (voice) |
 Taron Egerton | Cast | Actor | Johnny (voice) |
 Nev Scharrel | Cast | Actress | Agnes (voice) |
 Jan Rabson | Cast | Actor | Additional Voices (voice) |
 Cory Walls | Cast | Actor | Gawky Teen / Additional Voices (voice) |
Kelly Lake | Cast | Actress | Additional Voices (voice) |
 Eric Osmond | Cast | Actor | Additional Voices (voice) |
| Person | Type | Job | Role(s) |
