 Lady GagaSelf | Self |
 Elton JohnSelf | Self |
 Joseph Gordon-LevittSelf | Self |
 Kristen BellSelf | Self |
 RuPaulSelf | Self |
 Steve WhitmireKermit the Frog / Beaker / Rizzo the Rat / Statler / Lips (voice) | Kermit the Frog / Beaker / Rizzo the Rat / Statler / Lips (voice) |
 Eric JacobsonMiss Piggy, Fozzie Bear, Animal, Sam the Eagle (voice) | Miss Piggy, Fozzie Bear, Animal, Sam the Eagle (voice) |
 Dave GoelzThe Great Gonzo, Dr. Bunsen Honeydew, Waldorf, Zoot (voice) | The Great Gonzo, Dr. Bunsen Honeydew, Waldorf, Zoot (voice) |
 Bill BarrettaPepe, The Swedish Chef, Rowlf, Dr. Teeth, Bobo, Big Mean Carl | Pepe, The Swedish Chef, Rowlf, Dr. Teeth, Bobo, Big Mean Carl |
 David RudmanScooter, Janice (voice) | Scooter, Janice (voice) |
 Matt VogelFloyd Pepper, Lew Zealand, Camilla the Chicken (voice) | Floyd Pepper, Lew Zealand, Camilla the Chicken (voice) |
 Peter LinzWalter (voice) | Walter (voice) |
 James MurrayAdditional Muppet Performer (voice) | Additional Muppet Performer (voice) |
 Kevin CarlsonAdditional Muppet Performer (voice) | Additional Muppet Performer (voice) |
 Tim BlaneyAdditional Muppet Performer (voice) | Additional Muppet Performer (voice) |
 Julianne BuescherAdditional Muppet Performer (voice) | Additional Muppet Performer (voice) |
 Amanda BalenDancer | Dancer |
 Graham BreitensteinDancer | Dancer |
 Montana EfawDancer | Dancer |
| KKevin FreyDancer | Dancer |
| KKnicole HagginsDancer | Dancer |
| VVincent HardisonDancer | Dancer |
 David MastersonDancer | Dancer |
 Ian McKenzieDancer | Dancer |
 Sloan-Taylor RabinorDancer | Dancer |
 Víctor RojasDancer | Dancer |
| NNathan DanforthAdditional Muppet Performer | Additional Muppet Performer |
 Dorien DaviesAdditional Muppet Performer | Additional Muppet Performer |
 Alice DinneanAdditional Muppet Performer | Additional Muppet Performer |
 Bruce LanoilAdditional Muppet Performer | Additional Muppet Performer |
