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)

Rickey Boyd

Rhubarb the Grouch (voice)

Matt Vogel

Additional Muppet Performer (voice)

Jim Martin

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)