- Michael Angelis
- Narrator (UK)
- Michael Brandon
- Narrator (US) / Diesel (US) (voice)
- Ben Forster
- Mr. Perkins
- David Bedella
- Victor (US)
- Jules de Jongh
- Emily (US) / Mavis (US) / Lady Hatt (US) (voice)
- Rupert Degas
- Den / Dart / Flynn / Bertie (voice)
- William Hope
- Edward (US) / Toby (US) / Bash (US) / Rocky (US) / Farmer McColl (US) (voice)
- Togo Igawa
- Hiro (UK & US)
- Kerry Shale
- Henry (US) / Gordon (US) / James (US) / Dash (US) / Diesel (UK) / Norman (UK & US) / Harold (US) / Sir Topham Hatt (US) (voice)
- Martin T. Sherman
- Thomas (US) / Percy (US) (voice) (as Martin Sherman)
- Ben Small
- Thomas (UK) / Toby (UK) / Ferdinand (UK) (voice)
- Keith Wickham
- Edward (UK) / Gordon (UK) / James (UK) / Percy (UK) / Dash (UK) / Harold (UK) / The Fat Controller (UK) / Dowager Hatt (UK & US) (voice)
- Matt Wilkinson
- Charlie (UK) / Bash (UK) / Rocky (UK) / Farmer McColl (UK) / The Sodor Search and Rescue Centre Manager (UK) (voice)
- Glenn Wrage
- Charlie (US) / Ferdinand (US) / The Sodor Search and Rescue Center Manager (US) (voice)
