Andrew Lawrence

Theodore J. 'T.J.' Detweiler, Guru Kid

Ashley Johnson

Gretchen Grundler

Jason Davis

Mikey Blumberg

Rickey D'Shon Collins

Vince LaSalle

Pamela Adlon

Spinelli, Ashley Spinelli

Courtland Mead

Gus Griswald

April Winchell

Miss Finster, Miss Muriel P Finster, Miss Muriel Finster

Toran Caudell

King Bob

Anndi McAfee

Ashley 'Ashley A' Armbruster, Tracey, Kindergartner

Klee Bragger

Digger Sam, Guru Kid, Misc. Voices

Allyce Beasley

Miss Alordayne Grotkey, Miss Grotkey, Miss Grotke

Francesca Marie Smith

Ashley 'Ashley B' Boulet, Upside-Down Girl, Swinger Girl

Ross Malinger

Theodore J. 'T.J.' Detweiler, Theodore Jasper 'TJ' Detweiler, TJ

Rachel Crane

Ashley 'Ashley Q' Quinlan

Ryan O'Donohue

Randall Weems, Digger Dave, Randall

Aria Noelle Curzon

Theresa 'Cornchip Girl' LaMaise, Kid

Dabney Coleman

Principal Peter Prickly, Principal Prickly

Tress MacNeille

Ms. Lemon, Lunchlady Irma, Bertha