• Alfredo Sbisa as Kermit the Frog
  • Maria Rosa Cavarani as Miss Piggy
  • Carolina Bettini as Janice
  • Oreste as Dr. Bunsen Honeydew
  • Father of Maria Rosa as Fozzie Bear
  • Mother of Maria Rosa as Annie Sue Pig
  • Mother of Carolina as Camilla the Chicken
  • Father of Alfredo as Gonzo the Great
  • Judge as Sweetums
  • Assistant of the Judge as Rizzo the Rat
  • Doctor as Dr. Teeth