Eric Jacobson
Grover / Bert / Grover's Mommy (voice)
Kevin Clash
Elmo (voice)
Caroll Spinney
Big Bird / Oscar (voice)
Steve Whitmire
Ernie (voice)
David Rudman
Cookie Monster (voice)
Jerry Nelson
Mr. Johnson / Fred the Wonder Horse / Maurice Monster (voice)
Joey Mazzarino
Frank the Elephant / Penguin (voice)
Fran Brill
Zoe (voice)
Frank Oz
Grover (voice) (archive footage)
Lena Horne
Roger Ebert