Arnold (voice)
Mason Cotton
Gerald (voice)
Benjamin Flores Jr.
Olga (voice)
Nika Futterman
Rhonda (voice)
Olivia Hack
Che (voice)
Lane Toran
Mr. Simmons (voice)
Dan Butler
Grandpa (voice)
Dan Castellaneta
Grandma (voice)
Tress MacNeille
Bob Pataki (voice)
Maurice LaMarche
Ernie (voice)
Dom Irrera
Miriam (voice)
Kath Soucie
Big Patty (voice)
Danielle Judovits
Helga (voice)
Francesca Marie Smith
Stoop Kid (voice)
Danny Cooksey
Coach Wittenberg (voice)
Jim Belushi
Miles (voice)
Craig Bartlett
Eugene (voice)
Gavin Lewis
Stinky (voice)
Jet Jurgensmeyer
Sid (voice)
Aiden Lewandowski
Curly (voice)
Nicolas Cantu
Oskar (voice)
Wally Wingert
Pigeon Man (voice)
Stephen Stanton
Phoebe (voice)
Anndi McAfee
Eduardo (voice)
Carlos Alazraqui
La Sombra (voice)
Alfred Molina
Harold (voice)
Justin Shenkarow
Stella (voice)
Antoinette Stella
Nadine (voice)
Laya DeLeon Hayes
Paulo (voice)
Jamil Walker Smith
Director
Raymie Muzquiz
Writer
Executive Producer
Compositor
Gilbert Juarez III
Joe Purdy
Laura Sreebny
Justin Charlebois
Music
Jim Lang
Co-Director
Stu Livingston