Cast (20)
Curtis ArmstrongRobot DeFault / Marf (voice)
Harland WilliamsMonster Krumholtz (voice)
Maurice LaMarcheGart / Perry / Loudmouth (voice)
Jonathan SlavinOgo (voice)
Megan HiltyJ.D. (voice)
Cree SummerSpitfire / Globitha (voice)
Rhea PerlmanNessie (voice)
Fred TatasciorePunch Morley (voice)
Kurtwood SmithMr. Wheelie (voice)
Ping WuMaster Grabmirist (voice)
Nolan NorthHal Worth-a-ton / Uncle Kuffley / Crikey (voice)
Alan TudykCrazy Cousin Gizmo (voice)
Ruth WilliamsonDame Lady Madame (voice)
Jon PolitoSir Cranklin (voice)
Jeff BennettSnap Winsome / Lil' Lugnuts (voice)
Rob PaulsenBob / Scale (voice)
Jeffrey TamborSt. Crispy (voice)
Bill FagerbakkeLev (voice)
April WinchellArpa / Grandma 10010 (voice)
Jennifer CodyLucy (voice)