Narrator (UK) (voice)

Hiro (voice)

Edward (UK) / Henry (UK) / Gordon (UK) / James (UK) / Percy (UK) / The Fat Controller (UK) (voice)

Emily (UK) / Mavis (UK) / The Duchess Of Boxford (UK) (voice)

Spencer (UK) / Victor (UK) / Rocky (UK) / Kevin (UK) / The Duke Of Boxford (UK) (voice)

Thomas (UK) / Toby (UK) (voice)

Narrator (US) (Voice)

Thomas (US) / Percy (US) (Voice)

Edward (US) / Toby (US) / Rocky (US) / The Duke of Boxford (US) (Voice)

Henry (US) / Gordon (US) / James (US) / Kevin (US) / Sir Topham Hatt (US) (Voice)