Join Thomas and Friends as a carnival comes to the Island of Sodor! Also, meet new friends, Rocky and Rosie, and follow them as they explore their new surroundings and learn to work as a team with the other engines.
| Actor | Role |
|---|---|
 Michael BrandonNarrator (voice) | Narrator (voice) |
 Greg ProopsBob (voice) | Bob (voice) |
 Alan MarriottScoop (voice) | Scoop (voice) |
 Maria DarlingDizzy / Roley (voice) | Dizzy / Roley (voice) |
 Lachele CarlMuck (voice) | Muck (voice) |
 Emma TateLofty (voice) | Lofty (voice) |