Klaus

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)

Alfonso G. Aguilar

Original Music Composer

Zach Lewis

Screenplay

Jim Mahoney

Screenplay

Sergio Pablos

Screenplay, Director, Producer

Eamonn Butler

Executive Producer

Gustavo Ferrada

Producer

Warren Franklin

Executive Producer

Mercedes Gamero

Producer

Mikel Lejarza

Producer

Tanguy Olivier

Producer

Marisa Román

Producer

Micah Dahlberg

Producer

Pablo García Revert

Editor

Jinko Gotoh

Producer