Back to Escuela/No Belts, No Boots, No Brero
- Episode aired Sep 13, 2008
Alanna Ubach
- El Tigre
- (voice)
- …
Grey Griffin
- Frida Suarez
- (voice)
- (as Grey DeLisle)
- …
Carlos Alazraqui
- Granpapi Rivera
- (voice)
- …
Eric Bauza
- Rodolfo Rivera
- (voice)
- …
Richard Steven Horvitz
- Dr. Chipotle Jr.
- (voice)
- (as Richard Horvitz)
- …
Jeff Bennett
- Siniestrd
- (voice)
- (as Jeff Glen Bennett)
- …
Danny Trejo
- El Mat Verde
- (voice)
Candi Milo
- Black Cuervo
- (voice)
- (as Cani Milo)
John DiMaggio
- El Oso
- (voice)
- …