Jason Schwartzman
Jesper (voice)
J.K. Simmons
Klaus (voice)
Rashida Jones
Alva (voice)
Joan Cusack
Mrs. Krum (voice)
Norm Macdonald
Mogens (voice)
Will Sasso
Mr. Ellingboe (voice)
Sergio Pablos
Pumpkin / Olaf (voice)
Mila Brener
Ellingboe Girl 3 (voice)
Neda Margrethe Labba
Margu (voice)
Sydney Brower
Ellingboe Girl (voice)
Teddy Blum
Small Ellingboe Boy (voice)
Julian Zane
Krum Boy (voice)
Emma Shannon
Creepy girl 1 (voice)
Kendall Joy Hall
Annelise (voice)
Sky Alexis
Ellingboe Girl 2 (voice)
Tucker Meek
Ellingboe Boy / Krum Boy (voice)
Amanda Philipson
Ellingboe Councilwoman (voice)
Finn Carr
Ellingboe Boy 1 (voice)
Lucian Perez
Krum Boy / Creepy Boy 2 (voice)
Emma Yarovinsky
Little Krum Girl (voice)
Jaeden Bettencourt
Krum Boy / Jesper Son (voice)
Hailey Hermida
Krum Girl 1 (voice)
Evan Agos
Ellingboe Boy (voice)
Leo Miller
Ellinboe Boy 5 (voice)
Bailey Rae Fenderson
Creepy Girl 2 (voice)
Ayden Soria
Creepy Boy 1 (voice)
Reiulf Aleksandersen
Adult Saami (voice)
Matthew McCann
Additional Kids Voices (voice)
Hudson West
Additional Kids Voices (voice)
Joaquin Obradors
Boy (voice)
Alfonso G. Aguilar
Original Music Composer
Sergio Pablos
Original Story
Sergio Pablos
Screenplay
Zach Lewis
Screenplay
Edgar Martins
Head of Story
Jim Mahoney
Screenplay
Daniel Fernandez-Casas
Character Designer
Sergio Pablos
Director
Szymon Biernacki
Production Design
Eamonn Butler
Executive Producer
Victor Ens
Lead Animator
Mercedes Gamero
Producer
Matthew Jon Beck
Casting
Borja Montoro
Animation
Mikel Lejarza
Producer
Alex Orrelle
Animation
Matt Williames
Lead Animator
Marisa Román
Producer
Maxime Delalande
Animation
Jinko Gotoh
Executive Producer
Torsten Schrank
Character Designer
Warren Franklin
Executive Producer
Micah Dahlberg
Producer
Sergio Pablos
Producer
Olivier Clert
Animation
Tanguy Olivier
Producer
Gustavo Ferrada
Producer
Carlos Sotolongo
Dialogue Editor
Jorge A. Capote
Animation
Tom Sales
Animation
Carlos Martínez López
Co-Director
Pablo García Revert
Editor
Marcin Jakubowski
Production Design
Micah Dahlberg
Casting
Alan Tyler
Additional Music
Charles Bonifacio
Lead Animator
Taha Neyestani
Storyboard Artist
Sergio Martins
Lead Animator
Slaven Reese
Lead Animator
Alfredo Cassano
Lead Animator
Jochem Van Gool
Lead Animator
James Baxter
Animation
Samuel Cabanac
Animation
Simone Cirillo
Animation
Daniel Thomas Crook
Animation
Clément Girard
Animation
Rapeepat Jewanarom
Animation
Carlos Luzzi
Animation
Sergio Mateo Merino
Animation
Tracy Nowocien
Animation
Toby Schwarz
Animation
Marc Valls Pla
Animation
Giovanni Braggio
Animation
Cécile Carre
Animation
Sandro Cleuzo
Animation
Eve Guastella
Animation
Ole Christian Løken
Animation
Jorge Duran Llanos
Animation
Joseph Meredith
Animation
Daniel O'Sullivan
Animation
Len Simon
Animation
David Vandervoort
Animation
Alvise Zennaro
Animation
Jeremie Becquer
Animation
Andrew Chesworth
Animation
Laura Cobo
Animation
Tony Fucile
Animation
Mael Gourmelen
Animation
Valentin Lucas
Animation
Cristina De Manuel
Animation
Fernando Moro
Animation
Caroline Piochon
Animation
Tugrul Tiryaki
Animation
Alain Vu
Animation
Desi Garrido
Animation
José Mansuy
Animation
Álvaro Morote
Animation
Eduardo Quintana
Animation
Maria Torregosa Domenech
Animation
Pauline Champetier
Animation
Arturo Hernández Correas
Animation
Sergio Molinero Garçia
Animation
Pablo Navarro
Animation
Joshua Schneider
Animation
Mathilde Vachet
Animation
Javier Ferrer
Animation
Carlos Linares-Rivas Rodríguez
Animation
John Pomeroy
Animation
Marcel Tigchelaar
Animation
Paul Williams
Animation
Yoshimichi Tamura
Lead Animator