The Steamies and the Diesels face off in this action-packed movie adventure! There is a fire on Sodor and two new fire fighting engines - Flynn and Belle - arrive to help Thomas and Percy save the day! When Thomas starts spending all of his time with Sodors newest heroes, Percy is drawn to the Dieselworks, where he is made to feel special by the master of mischief himself Diesel 10! But Percy does not know that he is part of Diesel 10s master plan to take over the steamworks. The Steam Team rallies for sure-fire excitement in this all-new movie from Thomas & Friends!
| Actor | Role |
|---|---|
 Michael AngelisNarrator (voice) | Narrator (voice) |
 Ben SmallThomas / Toby (voice) | Thomas / Toby (voice) |
 Keith WickhamEdward / Henry / Gordon / James / Percy / Salty / Den / Paxton / The Fat Controller / Dowager Hatt / Woodsman (voice) | Edward / Henry / Gordon / James / Percy / Salty / Den / Paxton / The Fat Controller / Dowager Hatt / Woodsman (voice) |
 Teresa GallagherEmily / Belle / Mavis / Lady Hatt / Bridget Hatt (voice) | Emily / Belle / Mavis / Lady Hatt / Bridget Hatt (voice) |
| MMatt WilkinsonStanley / Diesel 10 / Victor / Rocky / Cranky / Kevin / Farmer McColl (voice) | Stanley / Diesel 10 / Victor / Rocky / Cranky / Kevin / Farmer McColl (voice) |
 Kerry ShaleDiesel / 'Arry / Bert / Norman / Sidney (voice) | Diesel / 'Arry / Bert / Norman / Sidney (voice) |
 Rupert DegasDart / Flynn (voice) | Dart / Flynn (voice) |