J.K. Simmons Klaus (voice)
Joan Cusack Mrs. Krum (voice)
Rashida Jones Alva (voice)
Jason Schwartzman Jesper (voice)
Neda Margrethe Labba Margu (voice)
Will Sasso Mr. Ellingboe (voice)
Norm Macdonald Mogens (voice)
Alfonso G. Aguilar Original Music Composer
Matthew Jon Beck Casting
Sunny Park Thanks
B.J. Crawford Thanks
Zara Larsson Songs
Evan Agos Ellingboe Boy (voice)
Jorge R. Gutierrez Thanks
Sergio Pablos Producer, Original Story, Director, Screenplay, Pumpkin / Olaf (voice)
James Baxter Animation
Andrew Chesworth Animation
Carlos Sotolongo Dialogue Editor
Rodrigo Blaas Thanks
Hudson West Additional Kids Voices (voice)
John Pomeroy Animation
Julian Zane Krum Boy (voice)
Jaeden Bettencourt Krum Boy / Jesper Son (voice)
Mark Osborne Thanks
Finn Carr Ellingboe Boy 1 (voice)
Emma Shannon Creepy girl 1 (voice)
Eamonn Butler Executive Producer
Mila Brener Ellingboe Girl 3 (voice)
Alan Tyler Additional Music
Tony Fucile Animation
Paul Cichocki Thanks
Jim Mahoney Screenplay
Mikel Lejarza Producer
Lucian Perez Krum Boy / Creepy Boy 2 (voice)
Maxime Delalande Animation
David Vandervoort Animation
Gregg Taylor Thanks
Toby Schwarz Animation
Warren Franklin Executive Producer
Melissa Cobb Thanks
Tucker Meek Ellingboe Boy / Krum Boy (voice)
Zach Lewis Screenplay
Mercedes Gamero Producer
Pablo Navarro Animation
Charles Bonifacio Lead Animator
Matt Williames Lead Animator
Mael Gourmelen Animation
Fernando Moro Animation
José Mansuy Animation
Yoshimichi Tamura Lead Animator
Edgar Martins Head of Story
Micah Dahlberg Producer, Casting
Jinko Gotoh Producer
Taha Neyestani Storyboard Artist
Tanguy Olivier Producer
Joaquin Obradors Boy (voice)
Slaven Reese Lead Animator
Kendall Joy Hall Annelise (voice)
Caroline Piochon Animation
Gustavo Ferrada Producer
Jorge A. Capote Animation
Amanda Philipson Ellingboe Councilwoman (voice)
Mathilde Vachet Animation
Valentin Lucas Animation
Alfredo Cassano Lead Animator
Len Simon Animation
Sky Alexis Ellingboe Girl 2 (voice)
Paul Williams Animation
Matthew McCann Additional Kids Voices (voice)
Sergio Martins Lead Animator
Sydney Brower Ellingboe Girl (voice)
Paweł Czarzasty Thanks