Self
David Hogsellhoff / One of the Elvises / Dr. Bunsen Honeydew (voice)
Clifford / Waldorf / J.P. Grosse (voice)
The Great Gonzo / Randy Pig (voice)
Nigel the Director / One of the Elvises (voice)
Statler / The Bird Announcer / Elvis (voice)
Kermit the Frog / Andy Pig / Rizzo the Rat / Beaker / Foo Foo / George the Janitor (voice)
Miss Piggy / Animal / Stagehand (voice)
Spamela Hamderson (voice) (as Leslie Carrara)
Themselves (uncredited)