• 
  Steve Whitmire

  Kermit the Frog / Beaker / Rizzo the Rat / Statler
• 
  Dave Goelz

  Gonzo / Waldorf
• 
  Michelan Sisti

  Additional Muppets
• 
  Tim Blaney

  Additional Muppets
• 
  Jeffrey Ross

  The Director
• 
  Bill Barretta

  Pepe the King Prawn / Dr. Teeth / The Swedish Chef

• 
  Demi Lovato

  Herself
• 
  Jason Dolley

  Himself

• 
  Jason Earles

  Himself
• 
  Jake Austen

  Himself
• 
  Sabrina Bryan

  Herself
• 
  Selena Gomez

  Herself - Host
• 
  David Henrie

  Himself
• 
  Adrienne Bailon

  Herself
• 
  Kiely Williams

  Herself

• 
  Jake T. Austin

  Himself
• 
  Moises Arias

  Himself