Narrator (voice)

Thomas (voice)

Duck / Birdwatcher / Paxton / Butch (voice)

Oliver / Toad / Workman (voice)

Belle / Annie / Clarabel / Schoolchildren / Stephen Hatt / Bridget Hatt (voice)

Salty / Sir Topham Hatt / Workman / Bertie / Dock Manager / Dock Workers / Stafford / Wellsworth Stationmaster (voice)

Flynn / Harold / Gordon / Man on Bridge / Henry / Diesel (voice)

Rocky / Edward / Toby (voice)

Cranky / Spencer (voice)

James / Stanley / Passengers (voice)

Percy / Troublesome Trucks (voice)

Porter (voice)

Victor (voice)

Emily (voice)

Caitlin (voice)

Henrietta (voice)

Reg (voice)

Railway Inspectors (voice)

Winston (voice)

Mr. Perkins