 Mark MoraghanNarrator (voice) | Narrator (voice) |
| JJohn HaslerThomas (voice) | Thomas (voice) |
 Darren BoydTheo (voice) | Theo (voice) |
 Sophie ColquhounFrankie (voice) | Frankie (voice) |
 Hugh BonnevilleMerlin (voice) | Merlin (voice) |
 Lucy MontgomeryLexi / Troublesome Trucks (voice) | Lexi / Troublesome Trucks (voice) |
 Jim HowickHurricane (voice) | Hurricane (voice) |
 Colin McFarlaneBeresford (voice) | Beresford (voice) |
 Rasmus HardikerPhilip (voice) | Philip (voice) |
 Keith WickhamEdward / Henry / Gordon / Sir Topham Hatt / Workmen (voice) | Edward / Henry / Gordon / Sir Topham Hatt / Workmen (voice) |
 Nicola StapletonRosie (voice) | Rosie (voice) |
 Teresa GallagherEmily / Annie and Clarabel (voice) | Emily / Annie and Clarabel (voice) |
 Rob RackstrawJames / Toby / Troublesome Trucks (voice) | James / Toby / Troublesome Trucks (voice) |
| CChristopher RaglandTroublesome Trucks (voice) | Troublesome Trucks (voice) |
 Nigel PilkingtonPercy / Trevor (voice) | Percy / Trevor (voice) |
 John SchwabUlli / Other Mainline Diesel (voice) | Ulli / Other Mainline Diesel (voice) |
 Steven KynmanThe Knapford Station Worker / Steelworks Worker (voice) | The Knapford Station Worker / Steelworks Worker (voice) |
 David BedellaVictor (voice) | Victor (voice) |
 Kerry ShaleTroublesome Trucks (voice) | Troublesome Trucks (voice) |
 William HopeTroublesome Trucks (voice) | Troublesome Trucks (voice) |
