Michael Brandon
Narrator / Mr. Bubbles / The Maithwaite Stationmaster (voice)

Ben Forster
Mr. Perkins

Martin Sherman
Thomas / Percy (voice)

David Bedella
Victor (voice)

William Hope
Dash / Charlie / Farmer McColl (voice)

Togo Igawa
Hiro (voice)

Jules de Jongh
Emily / Lady Hatt (voice)

Kerry Shale
Gordon / Bash / Kevin / Sir Topham Hatt (voice)

Glenn Wrage
Spencer / Ferdinand (voice)

Rupert Degas
Bertie the Bus (voice)