1. Aladar: A young Iguanodon, the protagonist of the film.
2. Plio: An elderly Lemur, Aladar's surrogate father.
3. Bruton: A large, aggressive Carnotaurus, the main antagonist of the film.
4. Carnotaurus: Dinosaurs who attack Aladar's family.
5. Baylene: A motherly Brachiosaurus who offers protection for Aladar and his friends.
6. Eema: Baylene's playful daughter.
7. Url and Ozzie: Two Styracosaurus friends of Aladar.
8. Zini and Suri: Two female Pteranodons who befriend Aladar and his group.
9. Kron: A male Pteranodon who attempts to capture Aladar.
10. Bruton's pack: A group of Carnotaurus who follow Bruton.