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
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
Alice Dinnean
