Trailer
Images
 | Jason Schwartzman as Jesper (voice) |
 | J.K. Simmons as Klaus (voice) |
 | Rashida Jones as Alva (voice) |
 | Joan Cusack as Mrs. Krum (voice) |
 | Norm Macdonald as Mogens (voice) |
 | Will Sasso as Mr. Ellingboe (voice) |
 | Sergio Pablos as Pumpkin / Olaf (voice) |
 | Mila Brener as Ellingboe Girl 3 (voice) |
| Neda Margrethe Labba as Margu (voice) |
| Sydney Brower as Ellingboe Girl (voice) |
| Teddy Blum as Small Ellingboe Boy (voice) |
| Julian Zane as Krum Boy (voice) |
 | Emma Shannon as Creepy girl 1 (voice) |
| Kendall Joy Hall as Annelise (voice) |
 | Sky Alexis as Ellingboe Girl 2 (voice) |
 | Tucker Meek as Ellingboe Boy / Krum Boy (voice) |
 | Amanda Philipson as Ellingboe Councilwoman (voice) |
 | Finn Carr as Ellingboe Boy 1 (voice) |
| Lucian Perez as Krum Boy / Creepy Boy 2 (voice) |
 | Emma Yarovinsky as Little Krum Girl (voice) |
 | Jaeden Bettencourt as Krum Boy / Jesper Son (voice) |
| Hailey Hermida as Krum Girl 1 (voice) |
 | Evan Agos as Ellingboe Boy (voice) |
| Leo Miller as Ellinboe Boy 5 (voice) |
| Bailey Rae Fenderson as Creepy Girl 2 (voice) |
| Ayden Soria as Creepy Boy 1 (voice) |
| Reiulf Aleksandersen as Adult Saami (voice) |
| Production | |
| Matthew Jon Beck | Casting |
| Jinko Gotoh | Executive Producer |
Directing | |
| Sergio Pablos | Director |
Production | |
| Sergio Pablos | Producer |
Writing | |
| Sergio Pablos | Story |
Visual Effects | |
| Victor Ens | Lead Animator |
Production | |
| Gustavo Ferrada | Producer |
| Mercedes Gamero | Producer |
| Marisa Román | Producer |
| Mikel Lejarza | Producer |
Visual Effects | |
| Yoshimichi Tamura | Animation |
Production | |
| Eamonn Butler | Executive Producer |
Visual Effects | |
| Matt Williames | Lead Animator |
| Olivier Clert | Animation |
| Maxime Delalande | Animation |
Production | |
| Tanguy Olivier | Producer |
Visual Effects | |
| Alex Orrelle | Animation |
Sound | |
| Carlos Sotolongo | Dialogue Editor |
Production | |
| Micah Dahlberg | Producer |
Writing | |
| Zachary Lewis | Writer |
| Jim Mahoney | Writer |
Production | |
| Warren Franklin | Executive Producer |
Sound | |
| Alfonso G. Aguilar | Music |
Art | |
| Szymon Biernacki | Production Design |
Visual Effects | |
| Charlie Bonifacio | Lead Animator |
| Jorge A. Capote | Animation |
| Borja Montoro | Animation |
| Tom Sales | Animation |
| Torsten Schrank | Character Designer |
