Skater
Telly Monster (assistant)
Oinker Sister (voice)
Gina
Self
Lisa
Ruby (voice)
Linda
Prairie Dawn / Little Bird (voice)
Jelani
Bart Simpson (voice)
Homer Simpson (voice)
Backup Vocals (voice)
Elmo / Hoots the Owl / Wolfgang the Seal (voice)
Alex
Luis
Forgetful Jones / Two-Headed Monster (voice)
Marge Simpson (voice)
Susan
(voice)
Maria
Goat (voice)
Uncle Wally
Bob
The Count / Herry Monster / Boy / Two-Headed Monster (voice)
Gordon
Cookie Monster / Grover / Bert (voice)
Mr. Snuffleupagus / Telly Monster / Fish / Buster the Horse (voice)
Athena / Chicago the Lion / Backup Vocals (voice)
Mike
Alice Snuffleupagus (voice)
Lisa Simpson (voice)
Mr. Handford
Big Bird / Oscar the Grouch / Bruno the Trashman (voice)
Lillian
Mr. Snuffleupagus (back half)