Michael McKeanMr. Bream (voice)
Courtland MeadGustav Patten 'Gus' Griswald (voice)
Ashley JohnsonGretchen Grundler (voice)
Jason DavisMikey Blumberg (voice)
James Earl JonesMister (voice)
Rickey D'Shon CollinsVincent Pierre 'Vince' LaSalle (voice)
Andrew LawrenceTheodore J. 'T.J.' Detweiler (voice)
Bobbi PageChorus (singing voice) (uncredited)
