 Mark MoraghanNarrator (voice) | Narrator (voice) |
 Joseph MayThomas (voice) | Thomas (voice) |
 Kerry ShaleGordon / Henry / Diesel / 'Arry / Kevin / Harold (voice) | Gordon / Henry / Diesel / 'Arry / Kevin / Harold (voice) |
| CChristopher RaglandPercy / Troublesome Trucks (voice) | Percy / Troublesome Trucks (voice) |
 William HopeWhiff / Toby / Bert / Rocky / Edward (voice) | Whiff / Toby / Bert / Rocky / Edward (voice) |
| BBob GoldingSidney (voice) | Sidney (voice) |
 Keith WickhamNorman / Sir Topham Hatt / Salty / Sir Handel / Bertie / Captain / The Grumpy Passenger / Albert / Various (voice) | Norman / Sir Topham Hatt / Salty / Sir Handel / Bertie / Captain / The Grumpy Passenger / Albert / Various (voice) |
 Teresa GallagherAnnie / Clarabel / Belle / Albert's Wife (voice) | Annie / Clarabel / Belle / Albert's Wife (voice) |
 Mike GradySir Robert Norramby (voice) | Sir Robert Norramby (voice) |
 Rasmus HardikerPhilip (voice) | Philip (voice) |
 Maggie OllerenshawHenrietta (voice) | Henrietta (voice) |
 Rob RackstrawQuarry Workers / James / Passenger / Stanley / Flynn / Painter (voice) | Quarry Workers / James / Passenger / Stanley / Flynn / Painter (voice) |
 David MenkinPorter (voice) | Porter (voice) |
| JJohn HaslerRheneas (voice) | Rheneas (voice) |
 Jules de JonghEmily (voice) | Emily (voice) |
 Glenn WrageCranky (voice) | Cranky (voice) |
 Robert WilfortSamson (voice) | Samson (voice) |
 Steven KynmanPaxton / Peter Sam / Butch (voice) | Paxton / Peter Sam / Butch (voice) |
| JJonathan BroadbentBill / Ben (voice) | Bill / Ben (voice) |
 Tim WhitnallTimothy (voice) | Timothy (voice) |
 Olivia ColmanMarion (voice) | Marion (voice) |
