Kevin Clash

as Elmo / Baby Natasha (voice)

Bill Barretta

as Louie (voice)

Steve Whitmire

as Ernie (voice)

Eric Jacobson

as Bert (voice)

Dick Maitland

as Slimey (voice)

Caroll Spinney

as Oscar the Grouch (voice)

Roscoe Orman

as Gordon Robinson

Fran Brill

as Zoe (voice) (archive footage)

Jerry Nelson

as Herry Monster (voice)

Leslie Carrara-Rudolph

as Abby Cadabby (voice)

Martin P. Robinson

as Telly Monster (voice)

David Rudman

as Martian / Baby Bear / Humphrey (voice)

Joey Mazzarino

as Cousin Bear (voice)

Carmen Osbahr

as Rosita (voice)