Oscar the Grouch / Big Bird (voice)
Joe Marley / Joey Dickens / Lightning (voice)
Muppet Performer
Narrator (voice)
Rhubarb the Grouch (voice)
Christmas Carol (voice)
i-SAM / Elmo (voice)
Ernie (voice) (archive footage)
Bert (voice) (archive footage)
(voice) (archive footage)
Snuffy (voice) (archive footage)
Carlo (archive footage)
Gina (archive footage) (as Alison Bartlett O'Reilly)
Gabi (archive footage)
Luis (archive footage)
Mr. Hooper (archive footage)
Susan (archive footage)
Maria (archive footage)
Bob (archive footage)
Gordon (archive footage)
Miles (archive footage)
Mr. Hanford (archive footage) (as David Smyrl)
Special Guest (archive footage)
Snowman (uncredited)