Important Characters in Dinotopia
| Will [Denison] | human | Arthur's twelve-year-old son, an apprentice skybax rider |
| Arthur [Denison] | human | Father to Will, friend to Bix, an amazing scientist |
The Hatchery
| Sylvia [Romano] | human | friend to Will, apprentice skybax rider |
| Giorgio [Romano] | human | Sylvia's father |
| Maria [Romano] | human | Sylvia's mother |
Pooktook
| Lee [Crabb] | human | scheming guide to Vocaneum |
Volcaneum
| Tok [Timbu] | human | a blacksmith |
| Bix | dinosaur | Bix is a protoceratops. She was the first Dinosaur Will and Arthur encountered. She holds high respect in Dinotopian society and is a loyal friend. |
Waterfall City
| Malik | dinosaur | the timekeeper for Dinotopia |
| Enit | dinosaur | Chief Librarian |
| Nallab | human |
Trip through the Rainy Basin
| Koro [Kidinga] | dinosaur | Apatosaurus who takes Will and Arthur through the Rainy Basin |
Temple Ruins
| Brokehorn | dinosaur | Elder Triceratops at assembly |
Treetown
| Norah | human | matriarch of Treetown |
| Melanie | human | Norah's granddaughter |
| Claw | dinosaur | Sylvia and Will's ride during the Ring Race |
| Kalyptra | dinosaur | Melanie's dinosaur |
Canyon City
| Oolu | human | Skybax instructor |
| Cirrus | dinosaur | Will's skybax, he is very brave and a good friend |
| Nimbus | dinosaur | Sylvia's skybax and friend of Cirrus |
Tentpole of the Sky
| Levka [Gambo] | human |