J.K. Simmons Klaus (voice)
Jason Schwartzman Jesper (voice)
Joan Cusack Mrs. Krum (voice)
Rashida Jones Alva (voice)
Will Sasso Mr. Ellingboe (voice)
Norm Macdonald Mogens (voice)
Zara Larsson Songs
Mark Osborne Thanks
Hudson West Additional Kids Voices (voice)
Tony Fucile Animation
James Baxter Animation
Sergio Pablos Storyboard Artist, Producer, Original Story, Director, Screenplay, Pumpkin / Olaf (voice)
Finn Carr Ellingboe Boy 1 (voice)
Mila Brener Ellingboe Girl 3 (voice)
Jorge R. Gutierrez Thanks
John Pomeroy Animation
Alan Tyler Additional Music
Rodrigo Blaas Thanks
Toby Schwarz Animation
Zach Lewis Screenplay
Jaeden Bettencourt Krum Boy / Jesper Son (voice)
Jemma Riley-Tolch Foley Mixer
Carlos Sotolongo Dialogue Editor
Amanda Philipson Ellingboe Councilwoman (voice)
Emma Shannon Creepy girl 1 (voice)
Julian Zane Krum Boy (voice)
Adam Bourne Foley Editor
Jim Mahoney Screenplay
Paul Cichocki Thanks
Mercedes Gamero Producer
Tucker Meek Ellingboe Boy / Krum Boy (voice)
Zoe Freed Foley Artist
Lucian Perez Krum Boy / Creepy Boy 2 (voice)
Melissa Cobb Thanks
Jinko Gotoh Producer
Edgar Martins Head of Story
Evan Agos Ellingboe Boy (voice)
Sky Alexis Ellingboe Girl 2 (voice)
Marisa Román Producer
Borja Montoro Animation
Maxime Delalande Animation
Jorge A. Capote Character Designer, Animation
Tobias Trebeljahr Visual Development
Alex Relloso Additional Storyboarding
Cécile Carre Storyboard Artist, Animation
Pauline Champetier Animation
Matthew Jon Beck Casting
Andrew Chesworth Animation
Damien de Froberville Thanks
Bailey Rae Fenderson Creepy Girl 2 (voice)
Eve Guastella Animation
Alfonso G. Aguilar Original Music Composer
Rebecca Heathcote Foley Artist
Szymon Biernacki Production Design
Alex Orrelle Storyboard Artist, Animation
Kendall Joy Hall Annelise (voice)
Marcin Jakubowski Production Design
Joaquin Obradors Boy (voice)
Mathilde Vachet Animation
Gregg Taylor Thanks
Alfredo Cassano Lead Animator
Lorenzo Fresta Additional Storyboarding
Hailey Hermida Krum Girl 1 (voice)
Sergio Mateo Merino Animation
Marcel Tigchelaar Animation
Valentin Lucas Animation
Slaven Reese Lead Animator
Micah Dahlberg Producer, Casting
Meryl Franck Visual Development
Tracy Nowocien Animation
Sydney Brower Ellingboe Girl (voice)
Javier Ledesma Barbolla Additional Storyboarding