An imaginative tale chronicling the adventures of a diverse band of crayons as they strive to protect not only their magical multihued homeland but the imagination of children everywhere from a terrifying monster.
| Actor | Role |
|---|---|
 Christina RicciYellow (voice) | Yellow (voice) |
 Sean AstinHoratio (voice) | Horatio (voice) |
 Jessica CapshawDuck (voice) | Duck (voice) |
 Craig FergusonNat (voice) | Nat (voice) |
 E. G. Daily(voices) | (voices) |
 Rosie PerezRed (voice) | Red (voice) |
 Tara Strong(voice) | (voice) |
 Wayne BradyBlue (voice) | Blue (voice) |
 Owen WilsonRicky The Dragon (voice) | Ricky The Dragon (voice) |
 Jess HarnellGreen (voice) | Green (voice) |
 David KayeBlack (voice) | Black (voice) |
| JJeremy GuskinProfessor Heliotrope (voice) | Professor Heliotrope (voice) |
| FFrank GladstoneAstronaut (voice) | Astronaut (voice) |
| ZZoë BrightMadame Pink (voice) | Madame Pink (voice) |
| SSophia EraklisPurple (voice) | Purple (voice) |