Dave Goelz
Zoot (voice) / Boober (voice) / Gonzo (voice) / others (voice)

Louise Gold
Annie Sue (voice)

Karen Prell
Red (voice) / Great Grandmother Bunny (voice)

Frank Oz
Grover (voice) / Cookie Monster (voice) / others (voice)

Fran Brill
Prairie Dawn (voice) / Zoe (voice)

Martin P. Robinson
Telly Monster (voice)

Caroll Spinney
Big Bird (voice) / Oscar the Grouch (voice)

Steve Whitmire
Ernie (voice) / Kermit (voice) / Rizzo (voice) / others (voice)

Kathryn Mullen
Mokey (voice)

Pam Arciero
Grundgetta (voice)

Kevin Clash
Elmo (voice) / Clifford (voice)

David Rudman
Baby Bear (voice)

Carmen Osbahr
Rosita (voice)

Joey Mazzarino
Stinky the Stinkweed (voice)