Narrator (voice)

Thomas (voice)

Edward / Duke of Boxford / Toby (voice)

Henry / Gordon / Mr. Percival / Kevin / Harold (voice)

James / Hugo / The Thin Clergyman (voice)

Percy / Trevor (voice)

Emily / Caitlin / Duchess of Boxford / Judy / Annie / Clarabel / Children / Stephen Hatt / Bridget Hatt / Woman (voice)

Stephen / Railway Inspector (voice)

Philip (voice)

Sir Handel / Sir Topham Hatt / Dowager Hatt / Lord Callan / Salty / Captain / Various (voice)

Duncan (voice)

Sir Robert Norramby (voice)

Lady Hatt / Stephen Hatt / Bridget Hatt (voice) (uncredited)

Porter (voice)

Mayor of Sodor / Victor (voice)

Cranky (voice)

Oliver / Toad (voice)

Ryan / Knapford Station Speaker / Duck (voice)

Daisy (voice)

Skiff (voice)

Jerome (voice)

Captain Joe (voice)

Henrietta (voice)