as Elmo / Baby Natasha (voice)
as Louie (voice)
as Ernie (voice)
as Bert (voice)
as Slimey (voice)
as Oscar the Grouch (voice)
as Gordon Robinson
as Zoe (voice) (archive footage)
as Herry Monster (voice)
as Abby Cadabby (voice)
as Telly Monster (voice)
as Martian / Baby Bear / Humphrey (voice)
as Cousin Bear (voice)
as Rosita (voice)