Narrator / Diesel (voice)

Thomas / Percy / Birdwatcher (voice)

Gordon / Sir Topham Hatt / Henry / Farmer Trotter / James / Scruff / Maithwaite Stationmaster (voice)

Mavis / Emily (voice)

Victor (voice)

Railroad Inspector / Farmer McColl / Whiff / Edward / Toby / Knapford Stationmaster (voice)

Spencer / Island Inspector (voice)

Mr. Perkins