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)