Cast[]
- Elmo as Littlefoot
- Zoe as Ali
- Abby as Cera
- Betty Lou as Ducky
- Big Bird as Petrie
- Cookie Monster as Spike
- Bryagh (from The Flight of Dragons) as Sharptooth
- Kermit & Miss Piggy (from The Muppets) as Littlefoot's Grandparents
- Rostia as Littlefoot's Mother
- Spike (from My Little Pony: Friendship is Magic) as Chomper
- Spyro & Cynder (from The Legend of Spyro) as Chomper's Parents
- Tully as Bron
- Dragon (from The Last Unicorn) as Plated Sharptooth
- Biff as Doc
- Dragon Maleficent (from Sleeping Beauty) as Meanest Sharptooth
- The Dragon (from The Pagemaster) as Allosaurus
- Oscar as Mr. Thicknose
- Necron (from Dino Froz) as Mountain Sharptooth
- Dragon (from Skunk Fu!) as Cool Gray Sharptooth
- The Red Death (from How to Train Your Dragon) as Orange-Brown Sharptooth
- Drago's Bewilderbeast (from How to Train Your Dragon 2) as Metallic Khaki Sharptooth
- Statue Dragon (from Shrek: The Ghost of Lord Farquaad) as Spinosaurus
- Ke-Pa (from Kung Fu Panda: Legends of Awesomeness) as Carnotaurus