Kermit the Frog / Rizzo the Rat / Beaker / Elvises (voice)
The Great Gonzo / Dr. Bunsen Honeydew / Waldorf / Zoot (voice)
Pepe the King Prawn / Bobo the Bear / Johnny Fiama / Swedish Chef / Lew Zealand / Howard Tubman / Rowlf the Dog / Elvises (voice)
Miss Piggy / Fozzie Bear / Animal / Yoda / Elvises (voice)
Daniel
Rachel Bitterman
Luc Fromage
Glenn
Daniel's 'Boss'
Self
Triumph, the Insult Comic Dog (voice)
Dr. John "J.D." Dorian
Dr. Elliot Reid
Janitor
Dr. Perry Cox
Nurse Carla Espinosa
Joe Snow (voice)
Sally Ann Santa Claus
Scooter / Janice / Sal Minella (voice)
Sam Eagle (voice)
