Ηθοποιοί επεισοδίου
Francesca Marie SmithHelga Pataki (voice)
Jamil Walker SmithGerald Johanssen (voice)
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Lane ToranArnold (voice)
Νταν ΚαστελανέταGrandpa Phil (voice)
Elizabeth AshleyMrs. Vitello (voice)
Τρες ΜακνίλGrandma Gertie / Arnold's Mother (voice)
Kath SoucieMariam Pataki (voice)
Craig BartlettArnold's Father (voice)
Lou RawlsHarvey / Bus Driver (voice)
James KeaneMr. Green (voice; uncredited)