Maria
Gina
Luis
Susan
Mr. MacIntosh
Gordon
Mike
Big Bird / Oscar
Elmo / Hoots the Owl / Anything Muppet Doctor / Anything Muppet Boy (voice)
AM Monster (voice)
Mr. Snuffleupagus (voice)
Grouch Girl (voice)
Anything Muppet girl (voice)
(voice)
(voice) (as Joe Mazzarino)
Doctor
Nurse Flowers
X-ray Technician
Orderly Jim (as Ellis E. Williams)
Triage Nurse
Receptionist (as Julie Rapoport)
Cookie Monster (voice) (uncredited)
Anything Muppet Doctor (voice) (uncredited)