Zog is a keen young dragon who wants to learn to fly, roar, and breathe fire, so he studies at the Dragon School. He is desperate to impress his teacher and win a golden star, but he is prone to accidents and he has to be helped by a kind young girl who patches up his bumps and bruises.
| Actor | Role |
|---|---|
 Lenny HenryHimself - Narrator (voice) | Himself - Narrator (voice) |
 Hugh SkinnerZog (voice) | Zog (voice) |
 Tracey UllmanMadame Dragon (voice) | Madame Dragon (voice) |
 Kit HaringtonSir Gadabout (voice) | Sir Gadabout (voice) |
 Patsy FerranPrincess Pearl (voice) | Princess Pearl (voice) |
 Rob BrydonGuards / Knight / other vocals (voice) | Guards / Knight / other vocals (voice) |
 Emma Tate(voice) | (voice) |
| RRocco WrightYoung Zog (voice) | Young Zog (voice) |