- 'Weird Al' Yankovic - Milo Murphy (voice)
- Beck Bennett - Launchpad McQuack (voice)
- Keith Ferguson - Flintheart Glomgold (voice)
- Marieve Herington - Tilly Green (voice)
- Chris Houghton - Cricket Green (voice)
- Bob Joles - Bill Green (voice)
- Artemis Pebdani - Alice 'Gramma' Green (voice)
- Mandy Moore - Rapunzel (voice)
- Paul F. Tompkins - Shorty (voice)
- Bill Farmer - Hop Pop (voice)
- Dan Povenmire - Alien (voice)
- Dan Povenmire - Dr. Heinz Doofenshmirtz (voice)
- Justin Felbinger - Sprig (voice)
- Brenda Song - Anne (voice)
- Anna Akana - Sasha (voice)
- Anna Akana - Gloria (voice)
- Amanda Leighton - Polly (voice)
- Haley Tju - Marcy (voice)
- Meg Donnelly - Self
- Milo Manheim - Self
- Michael Cimino - Kevin (voice)
- Meli Povenmire - Gretel (voice)
- Zeno Robinson - Remy (voice)
- Ashly Burch - Molly McGee (voice)
- Lara Jill Miller - Libby Stein-Torres (voice)
- Dana Snyder - Scratch (voice)
- Joe Manganiello - Viper Fang (voice)
- Danny Trejo - Vasquez (voice)
- Michaela Dietz - Darryl McGee (voice)
- Auli'i Cravalho - Hailey Banks (voice)
- Manny Jacinto - Scott Denoga (voice)
- Gary Anthony Williams - Beta (voice)
- Tommy Davidson - Oscar Proud (voice)
- Alisa Reyes - LaCienega (voice)
- Michael Croner - Barry Buns (voice)
- Kimiko Glenn - Kiff Chatterley (voice)
- Lucy Heavens - Helen (voice)
- Vella Lovell - Candle Fox (voice)
- Nic Smal - Principal Secretary (voice)
- Fred Tatasciore - Devil Dinosaur (voice)
- Diamond White - Moon Girl / Lunella (voice)
- Jules Medcraft - Andrea Davenport (voice)
Capítulo disponible en las siguientes plataformas:
