One summer, Thomas comes across an old abandoned engine called Hiro. Desperately in need of repair, Hiro faces the Smelters Yard, so Thomas and his friends must work together to save poor Hiro from this fate.
Narrator (voice)
Thomas / Toby (voice)
Edward / Henry / Gordon / James / Percy / The Fat Controller (voice)
Emily / Mavis / Duchess of Boxford (voice)
Spencer / Victor / Rocky / Kevin / Duke of Boxford (voice)
Hiro (voice)
