Narrator (voice)
Mr. Perkins
Emily (UK) / Rosie (UK) / Mavis (UK) / The Duchess of Boxford (UK) (voice)
Diesel (UK) (voice)
Thomas (UK) / Toby (UK) (voice)
Edward (UK) / Henry (UK) / Gordon (UK) / James (UK) / Percy (UK) / Whiff (UK) / Salty (UK & US) / The Fat Controller (UK) / The Great Composer (UK) (voice)
Charlie (UK) / Winston (UK & US) / Rocky (UK) / Butch (UK) / Cranky (UK) / Farmer Trotter (UK) (voice)