Herry Monster (voice) / Frazzle (voice) / Maurice Monster (voice) / Two-Headed Monster (left half) (voice) / Announcer (voice)
Elmo (voice)
Cookie Monster (voice) / Grover (voice) / Clancy (voice)
Harvey Monster (voice)
Stuie Monster (voice) / Lavender Frazzletone (voice) / Two-Headed Monster (right half) (voice) / Furline Huskie (voice) / Kermit the Frog (voice)
Herry's Father (voice)
Herry's Granny (voice) / Herry's Mother (voice)
Oscar the Grouch (voice)