Hamster et Gretel

Meli Povenmire

Gretel (voice)

Michael Cimino

Kevin (voice)

Beck Bennett

Hamster (voice)

Joey King

Fred (voice)

Matt Jones

Dave (voice)

Carolina Ravassa

Carolina (voice)

Romi Dames

Hiromi (voice)

Liza Koshy

Veronica Hill (voice)

Priah Ferguson

Bailey (voice)

Phil LaMarr

Professor Exclamation (voice)

Pamela Adlon

Nordle (voice)

Carlos Alazraqui

Luchador (voice) / The Luchador (voice)

Cree Summer

Librarian (voice) / Ms. Weems (voice)

Brock Powell

Lyle (voice)

Alyson Stoner

Lauren (voice)

Dee Bradley Baker

Otter (voice)

Diedrich Bader

Arthouse (voice) / The Imposter (voice)

James Adomian

Rodney Thunderpants (voice)

Casey Hamilton

Mr. Chabner / Van Dyke (voice)

Michael-Leon Wooley

Roman (voice)

Betsy Sodaro

Coach Haggerty (voice)

Karina

La Cebolla (voice)

Eric Bauza

CopyCat (voice)

Thomas Sanders

Neighslayer (voice)

"Weird Al" Yankovic

Wacko Wally (voice)

Khary Payton

Amplifier (voice)

John DiMaggio

X-Terminator (voice)

Adam Rose

The Earworm (voice)

Camryn Grimes

Record Scratch (voice)

Lucas Neff

Billy (voice)

Dan Povenmire

Dr. Doofenshmirtz (voice)

Karalynn Dunton

Belle (voice)

Stephen Root

Jeff Strawberry (voice)

Richard Kind

Tchotchke (voice)

John Hodgman

Micromanager (voice)

Flula Borg

Raul (voice)

Danielle Threet

Inga the Ice Queen (voice)

Tessa Skara

Itsy Bitsy (voice)

Debra Wilson

Mary Mitosis (voice)

John Milhiser

Chad Goldenboy (voice)

Kyle Mooney

The Flake (voice)

Chris Diamantopoulos

Crooner (voice)