Arnold (voice)
Gerald Johanssen (voice)
Helga Pataki (voice)
Phoebe Heyerdahl (voice)
Harold Berman (voice)
Stinky Petersen (voice)
Curly Gammelthorpe (voice)
Oskar Kokoshka / Smitty (voice)
Suzie Kokoshka (voice)
Ernie Potts (voice)
Mr. Hyunh (voice)
Harvey (voice)
Douglas Cain / Big Bob Pataki (voice)
Grandpa Phil / Additional Voices (voice)
Arnold's Grandma (voice)
Miriam Pataki (voice)
Principal Wartz (voice)
Marty Green / EBN Announcer (voice)
