Narrator (voice)

Thomas / Rheneas (voice)

Percy (voice)

Hiro (voice)

Rocky / Cranky / Stanley / Farmer McColl (voice)

Harold / The Fat Controller / Henry / Gordon / James / Salty / Whiff / Edward / Sir Handel / Bertie / Various (voice)

Porter / Paxton / Peter Sam (voice)

Troublesome Trucks (voice)

Passenger / Toby / Quarry Workers / Bradford (voice)

Philip (voice)

Henrietta (voice)

Sidney (voice)

Children / Annie / Clarabel / Emily (voice)

Sir Robert Norramby (voice)

Diesel / 'Arry (voice)

Bert (voice)

Samson (voice)

Blonde Girl (voice)

Blond Boy (voice)