Tim Curry
Narrator (voice)
Acting
Joey Mazzarino
Joe Marley / Joey Dickens / Lightning (voice)
Acting
Kevin Clash
i-SAM / Elmo (voice)
Acting
Caroll Spinney
Oscar the Grouch / Big Bird (voice)
Acting
Kristin Chenoweth
Christmas Carol (voice)
Acting
Rickey Boyd
Rhubarb the Grouch (voice)
Acting
Matt Vogel
Additional Muppet Performer (voice)
Acting
Jim Martin
Additional Muppet Performer (voice)
Directing
Frank Oz
Bert (voice) (archive footage)
Acting
Jim Henson
Ernie (voice) (archive footage)
Directing
Martin P. Robinson
Snuffy (voice) (archive footage)
Acting
Pam Arciero
Additional Muppet Performer (voice) (archive footage)
Acting
Fran Brill
Additional Muppet Performer (voice) (archive footage)
Acting
Alice Dinnean
Additional Muppet Performer (voice) (archive footage)
Acting
Eric Jacobson
Additional Muppet Performer (voice) (archive footage)
Acting
Peter Linz
Additional Muppet Performer (voice) (archive footage)
Acting
Noel MacNeal
Additional Muppet Performer (voice) (archive footage)
Acting
Jerry Nelson
Additional Muppet Performer (voice) (archive footage)
Acting
Carmen Osbahr
Additional Muppet Performer (voice) (archive footage)
Acting
David Rudman
Additional Muppet Performer (voice) (archive footage)
Acting
John Tartaglia
Additional Muppet Performer (voice) (archive footage)
Acting
Steve Whitmire
Additional Muppet Performer (voice) (archive footage)
Acting
Bryant Young
Additional Muppet Performer (voice) (archive footage)
Acting
Carlo Alban
Carlo (archive footage)
Acting
Alison Bartlett
Gina (archive footage)
Acting
Desiree Casado
Gabi (archive footage)
Acting
Emilio Delgado
Luis (archive footage)
Acting
Will Lee
Mr. Hooper (archive footage)
Acting
Loretta Long
Susan (archive footage)
Acting
Sonia Manzano
Maria (archive footage)
Acting
Bob McGrath
Bob (archive footage)
Acting
Roscoe Orman
Gordon (archive footage)
Acting
Imani Patterson
Miles (archive footage)
Acting
David Langston Smyrl
Mr. Hanford (archive footage)
Acting
Charles Edward Hall
Santa Claus (archive footage)
Acting
Mark Aaron Beckett
Self (archive footage)
Acting
B. David Whithworth
Self (archive footage)
Acting
Glenny T
Self (archive footage)
Acting
Tony Zeke
Self (archive footage)
Acting
Calvin Powell
Self (archive footage)
Acting
Brian Gore
Snowman (voice) (uncredited)
Acting