Klaus Cast
The cast of Klaus including popularity data. Data for January 21, 2025.
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Jason Schwartzman
as Jesper (voice)

Jason Schwartzman takes on the role of Jesper, providing his voice to this character.

#3
Most popular actor on Klaus
4,717 Wikipedia views yesterday
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J.K. Simmons
as Klaus (voice)

J.K. Simmons delivers an amazing performance as Klaus, bringing this character to life with his voice.

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Rashida Jones
as Alva (voice)

Rashida Jones lends her voice to the character Alva, adding depth and emotion to this role.

#1
Most popular actor on Klaus
8,518 Wikipedia views yesterday
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Joan Cusack
as Mrs. Krum (voice)

Joan Cusack brings Mrs. Krum to life with her voice, delivering a memorable performance.

#4
Most popular actor on Klaus
3,356 Wikipedia views yesterday
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Norm Macdonald
as Mogens (voice)

Norm Macdonald portrays the character Mogens with his unique voice and comedic talent.

#2
Most popular actor on Klaus
5,816 Wikipedia views yesterday
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Will Sasso
as Mr. Ellingboe (voice)

Will Sasso adds his voice to the character Mr. Ellingboe, adding humor and charm to this role.

#5
Most popular actor on Klaus
1,750 Wikipedia views yesterday
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Sergio Pablos
as Pumpkin / Olaf (voice)

Sergio Pablos provides the voices for both Pumpkin and Olaf, showcasing his versatility as an actor.

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Mila Brener
as Ellingboe Girl 3 (voice)

Mila Brener delivers a memorable performance as Ellingboe Girl 3, capturing the essence of this character.

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Neda Margrethe Labba
as Margu (voice)
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Sydney Brower
as Ellingboe Girl (voice)
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Teddy Blum
as Small Ellingboe Boy (voice)
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Julian Zane Chowdhury
as Krum Boy (voice)
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Emma Shannon
as Creepy girl 1 (voice)
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Kendall Joy Hall
as Annelise (voice)
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Sky Alexis
as Ellingboe Girl 2 (voice)
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Tucker Meek
as Ellingboe Boy / Krum Boy (voice)
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Amanda Philipson
as Ellingboe Councilwoman (voice)
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Finn Carr
as Ellingboe Boy 1 (voice)
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Lucian Perez
as Krum Boy / Creepy Boy 2 (voice)
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Emma Yarovinsky
as Little Krum Girl (voice)
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Jaeden Bettencourt
as Krum Boy / Jesper Son (voice)
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Hailey Hermida
as Krum Girl 1 (voice)
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Evan Agos
as Ellingboe Boy (voice)
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Leo Miller
as Ellinboe Boy 5 (voice)
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Bailey Rae Fenderson
as Creepy Girl 2 (voice)
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Ayden Soria
as Creepy Boy 1 (voice)
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Reiulf Aleksandersen
as Adult Saami (voice)
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Matthew McCann
as Additional Kids Voices (voice)
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Hudson West
as Additional Kids Voices (voice)
For the best insights and data about Klaus, visit our main Klaus page.