Narrator (UK & US) (voice)
Thomas (UK) (voice)
Thomas (US) (voice)
Theo (voice)
Frankie (voice)
Merlin (voice)
Lexi (voice)
Hurricane (voice)
Beresford (voice)
Philip (UK & US) (voice)
Edward, Henry, Gordon and the Fat Controller (voice)
Rosie (UK & US) (voice)
Emily (UK), Annie and Clarabel (UK & US) (voice)
James (UK & US), Toby (UK), Troublesome Trucks (UK & US) (voice)
Percy (US), Troublesome Trucks (UK & US) (voice)
Emily (US) (voice)
Percy / Trevor (voice)
Ulli / Other Mainline Diesel (voice)
The Knapford Station Worker / Steelworks Worker (voice)
Victor (voice)
Kevin / Troublesome Trucks (voice)
Farmer McColl (voice)