Narrator (voice)
Thomas (UK) (voice)
Thomas (US) (voice)
Theo (UK & US) (voice)
Frankie (UK & US) (voice)
Hurricane (UK & US) (voice)
Beresford (voice)
Lexi / Troublesome Trucks (voice)
Emily (US) (voice)
Emily (UK) / Annie and Clarabel (UK & US) (voice)
Philip (UK & US) (voice)
Edward (US) / Toby (US) / Two Troublesome Truck (UK & US) (voice)
The Knapford Station Worker / Steelworks Workers (voice)
James (UK & US) / Toby (UK) / Troublesome Trucks (UK & US) (voice)
Percy (UK) (voice)
Percy (US) / Troublesome Trucks (UK & US) (voice)
A Bridlington Diesel (UK & US) / Ulli (UK & US) (voice)
Henry (US) / Gordon (US) / Troublesome Trucks (UK & US) / Kevin (US) (voice)
Rosie (UK & US) (voice)
Edward (UK) / Henry (UK) / Gordon (UK) / Sir Topham Hatt (UK & US) / Workmen (UK & US) (voice)
Merlin (UK & US) (voice)
Victor (UK & US) (voice) (uncredited)
Kevin (UK) (voice) (uncredited)