- James Adomian - Rodney Thunderpants (voice)
- Phil LaMarr - Professor Exclamation (voice)
- Brock Powell - Lyle (voice)
- Alyson Stoner - Lauren (voice)
- Michael-Leon Wooley - Roman (voice)
- Betsy Sodaro - Coach Haggerty (voice)
- Karina - La Cebolla (voice)
- Eric Bauza - CopyCat (voice)
- Thomas Sanders - Neighslayer (voice)
- Cree Summer - Ms. Weems (voice)
- Cree Summer - Librarian (voice)
- Carlos Alazraqui - The Luchador (voice)
- Carlos Alazraqui - Luchador (voice)
- 'Weird Al' Yankovic - Wacko Wally (voice)
- Dee Bradley Baker - Otter (voice)
- Khary Payton - Amplifier (voice)
- John DiMaggio - X-Terminator (voice)
- Adam Rose - The Earworm (voice)
- Pamela Adlon - Nordle (voice)
- Camryn Grimes - Record Scratch (voice)
- Lucas Neff - Billy (voice)
- Diedrich Bader - The Imposter (voice)
- Diedrich Bader - Arthouse (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)
- Tessa Skara - Itsy Bitsy (voice)
- Debra Wilson - Mary Mitosis (voice)
- John Milhiser - Chad Goldenboy (voice)
- Kyle Mooney - The Flake (voice)
- Chris Diamantopoulos - Crooner (voice)
- Joanna Hausmann
- Bob Bowen
- Karlie Kloss Kushner
- Dan Povenmire
- Danny Jacob
Meli Povenmire interpreta a Gretel (voice) en la serie.
Michael Cimino hace el papel de Kevin (voice).
Beck Bennett interpreta a Hamster (voice) en la serie.
Joey King hace el papel de Fred (voice).
Matt Jones hace el papel de Dave (voice).
Carolina Ravassa hace el papel de Carolina (voice).
Romi Dames interpreta a Hiromi (voice) en la serie.
Liza Koshy interpreta a Veronica Hill (voice) en la serie.
Priah Ferguson interpreta a Bailey (voice) en la serie.
Capítulo disponible en las siguientes plataformas: