John Hasler

Thomas (voice)

Keith Wickham

Edward / Henry / Gordon / Bertie / Harold / Captain / The Fat Controller / Dowager Hatt / The Thin Controller (voice)

Rob Rackstraw

James / Toby / Donald / Sam / Big Mickey / The Thin Clergyman / African Race Announcer (voice)

Nigel Pilkington

Percy (voice)

Steven Kynman

Duck / Paxton (voice)

Teresa Gallagher

Emily / Marion / Daisy / Natalie / American Diesel / Annie / Clarabel / Cassia (voice)