Cast[]
- Robin as Littlefoot
- Zoe (from Sesame Street) as Cera
- Mike Wazowski (from Monsters INC) as Petrie
- Abby (from Sesame Street) as Ducky
- The Great Gonzo as Spike
- Miss Piggy as Littlefoot's Mother
- Sam the Eagle as Littlefoot's Grandfather
- Janice as Littlefoot's Grandmother
- Sabor (from Tarzan) as Sharptooth
- Elmo (from Sesame Street) as Chomper
- Cookie Monster & Betty Lou (from Sesame Street) as Chomper's Parents
- Constantine as Ozzy
- Bill the Bug (from Sesame Street) as Strut
- Gideon Grey (from Zootopia) as Hyp
- Tobias (from The Amazing World of Gumball) as Mutt
- Rob (from The Amazing World of Gumball) as Strut
- Baby Piggy as Ali
- Mountain Lion (from Spirit: Stallion of Cimarron) as Plated Sharptooth
- Tully (from Sesame Street) as Doc
- Warren T. Rat (from An American Tail) as Meanest Sharptooth
- Cat R. Waul (from An American Tail: Fievel Goes West) as Allosaurus
- Kermit as Bron
- Prince John (from Robin Hood) as Cool Gray Sharptooth
- Scar (from The Lion King) as Orange-Brown Sharptooth
- Shere Khan (from The Jungle Book (2016)) as Metallic Khaki Sharptooth
- Rizzo the Rat as Gudio
- Makunga (from Madagascar: Escape 2 Africa) as Spinosaurus
- Soto (from Ice Age) as Carnotaurus