Tim Curry

Narrator (voice)

Joey Mazzarino

Joe Marley / Joey Dickens / Lightning (voice)

Kevin Clash

i-SAM / Elmo (voice)

Caroll Spinney

Oscar the Grouch / Big Bird (voice)

Kristin Chenoweth

Christmas Carol (voice)

Matt Vogel

Additional Muppet Performer (voice)

Frank Oz

Bert (voice) (archive footage)

Jim Henson

Ernie (voice) (archive footage)

Martin P. Robinson

Snuffy (voice) (archive footage)

Pam Arciero

Additional Muppet Performer (voice) (archive footage)

Fran Brill

Additional Muppet Performer (voice) (archive footage)

Alice Dinnean

Additional Muppet Performer (voice) (archive footage)

Eric Jacobson

Additional Muppet Performer (voice) (archive footage)

Peter Linz

Additional Muppet Performer (voice) (archive footage)

Noel MacNeal

Additional Muppet Performer (voice) (archive footage)

Jerry Nelson

Additional Muppet Performer (voice) (archive footage)

Carmen Osbahr

Additional Muppet Performer (voice) (archive footage)

David Rudman

Additional Muppet Performer (voice) (archive footage)

John Tartaglia

Additional Muppet Performer (voice) (archive footage)

Steve Whitmire

Additional Muppet Performer (voice) (archive footage)