Dink (voiced by R.J. Williams) – The main protagonist, an Apatosaurus. He is nice, brave and smart, Dink has a strong bond with his friends.
Amber (voiced by Anndi McAfee) – A close friend of Dink's, she is like a big sister figure and she is often teamwork with her best friend Dink. She is a Corythosaurus.
Scat (voiced by Frank Welker) – The scaredy-cat friend of Dink's with a humongous appetite, a Compsognathus. He speaks in the third person, and will do just about anything to get at honeyfruit, which is his favorite food. Scat tends to think a lot of Dink's ideas are dangerous. His appetite gets him into trouble a lot.
Shyler (voiced by Ben Ryan Ganger) – A shy friend of Dink's, an Edaphosaurus, who talks in a child's voice, pronouncing with a "w" instead of an "r". Shyler looks up to Dink, Amber and Crusty. Dink is like an older brother figure to Shyler as Amber is like big sister to him.
Flapper (voiced by S. Scott Bullock) – A jokester friend of Dink's, a Pteranodon. He tends to be a braggart, and he speaks with a slight lisp. He constantly tries to land in water, but always fails.
Crusty (voiced by Frank Welker) – An old Turtle who mentors the dino youngsters. He often tells the kids stories that often help teach them valuable lessons, and is usually around when they have a problem going on.