Mason Vale Cotton Arnold (voice) Benjamin Flores Jr. Gerald (voice) Francesca Smith Helga (voice) Anndi McAfee Phoebe (voice) Carlos Alazraqui Eduardo (voice) Alfred Molina La Sombra (voice) Justin Shenkarow Harold (voice) Laya DeLeon Hayes Nadine (voice) Jamil Walker Smith Paulo (voice) Nika Futterman Olga (voice) Olivia Hack Rhonda (voice) Lane Toran Che (voice) Dan Butler Mr. Simmons (voice) Dan Castellaneta Grandpa (voice) Tress MacNeille Grandma (voice) Maurice LaMarche Bob Pataki (voice) Dom Irrera Ernie (voice) Kath Soucie Miriam (voice) Danny Cooksey Stoop Kid (voice) Jim Belushi Coach Wittenberg (voice) Craig Bartlett Miles (voice) Gavin Lewis Eugene (voice) Jet Jurgensmeyer Stinky (voice) Aiden Lewandowski Sid (voice) Nicolas Cantu Curly (voice) Stephen Stanton Pigeon Man (voice)