Kadro (21)
Myles JeffreyT.J. Detweiler (voice)
Pamela AdlonSpinelli (voice)
Dabney ColemanPrincipal Prickley (voice)
Ashley JohnsonGretchen Grundler (voice)
Allyce BeasleyMiss Grotke (voice)
Rickey D'Shon CollinsVince LaSalle (voice)
Jason DavisMikey (voice)
Courtland MeadGus (voice)
Helen Slayton-HughesMiss Finster (voice)
Andrew LawrenceYounger T.J. (voice)Klee BraggerDigger Sam (voice)
Lane ToranKing Bob (voice)
Ross MalingerOlder T.J. (voice)
April WinchellMiss Finster (voice)
Rachel CraneAshley Q (voice)
Jane Curtin(voice)
Aria Noelle CurzonCornchip Girl (voice)
Anndi McAfeeAshley A (voice)
Michael ShulmanFrancis the Hustler Kid (voice)
Kath SoucieHector / Cindy / Gus's Mom (voice)
Tara StrongSpinelli's Doll (voice)