Narrator (voice)

Thomas (voice)

Henry / Harold / Captain / The Fat Controller / Gordon / Bertie / Edward / James / Salty / Glynn / Various (voice)

Belle / Emily / Annie / Clarabel / Albert's Wife (voice)

Flynn / Painter / Toby (voice)

Rocky / Butch / Kevin / Cranky (voice)

Percy (voice)

Diesel (voice)

Troublesome Trucks (voice)

Bill / Ben (voice)

Porter (voice)

Timothy (voice)

Marion (voice)

Henrietta (voice)

Sir Robert Norramby (voice)

Stephen (voice)

Millie (voice)

Mayor of Sodor (voice) (uncredited)