"Oscar the Grouch is visited by three ghosts in an attempt to teach him the true meaning of Christmas."
Tim Curry
as Narrator (voice)
Joey Mazzarino
as Joe Marley / Joey Dickens / Lightning (voice)
Kevin Clash
as i-SAM / Elmo (voice)
Caroll Spinney
as Oscar the Grouch / Big Bird (voice)
Kristin Chenoweth
as Christmas Carol (voice)
Rickey Boyd
as Rhubarb the Grouch (voice)
Matt Vogel
as Additional Muppet Performer (voice)
Jim Martin
Frank Oz
as Bert (voice) (archive footage)
Jim Henson
as Ernie (voice) (archive footage)
Martin P. Robinson
as Snuffy (voice) (archive footage)
Pam Arciero
as Additional Muppet Performer (voice) (archive footage)
Fran Brill
Alice Dinnean
Eric Jacobson
Peter Linz
Noel MacNeal
Jerry Nelson
Carmen Osbahr
David Rudman
John Tartaglia
Steve Whitmire
Bryant Young
Carlo Alban
as Carlo (archive footage)
Alison Bartlett
as Gina (archive footage)
Desiree Casado
as Gabi (archive footage)
Emilio Delgado
as Luis (archive footage)
Will Lee
as Mr. Hooper (archive footage)
Loretta Long
as Susan (archive footage)
Sonia Manzano
as Maria (archive footage)
Bob McGrath
as Bob (archive footage)
Roscoe Orman
as Gordon (archive footage)
Imani Patterson
as Miles (archive footage)
David Langston Smyrl
as Mr. Hanford (archive footage)
Charles Edward Hall
as Santa Claus (archive footage)
Mark Aaron Beckett
as Self (archive footage)
B. David Whithworth
Glenny T
Tony Zeke
Calvin Powell
Brian Gore
as Snowman (voice) (uncredited)
Victor DiNapoli
Director
Emily Squires
Ken Diego
Jon Stone
Galen Fott
Animation
Bob Phillips
Production Design
Bill Lacey
Original Music Composer
Loren Toolajian
Chris Reinhart
Editor
Michael Ungar
