- John Hasler
- Thomas (UK)
- Joseph May
- Thomas (US)
- Yvonne Grundy
- Nia (UK & US)
- Peter Andre
- Ace (UK & US)
- Dona Adwera
- Various African Characters (UK & US)
- Richie Campbell
- African Troublesome Trucks (UK & US) / Various African Characters (UK & US) (voice) (as Ritchie Campbell)
- Chipo Chung
- African Troublesome Trucks (UK & US) / Various African Characters (UK & US) (voice)
- Jules de Jongh
- Emily (US)
- Teresa Gallagher
- Emily (UK) / Marion (UK & US) / Daisy (UK & US) / Natalie (UK & US) / Arizona Diesel (UK & US) / Annie and Clarabel (UK & US) / Rio Crane (UK & US) (voice)
- Bob Golding
- Sidney (UK & US)
- Rasmus Hardiker
- Philip (UK & US)
- Akia Henry
- African Troublesome Trucks (UK & US) / Various African Characters (UK & US) (voice)
- William Hope
- Edward (US) / Toby (US) (voice)
- Rufus Jones
- Flying Scotsman (UK & US)
- Steven Kynman
- Duck / Paxton (voice)
- Dan Li
- Yong Bao (UK & US)
- Su Lin Looi
- Chinese Diesel (UK & US)
- David Menkin
- Racing Car #3 (UK & US) / Cowboys (UK & US) (voice)
- Rachael Louise Miller
- Angelique (UK & US)
- Lucy Montgomery
- Carly / Cowgirls (voice)
- Nigel Pilkington
- Percy (UK)
- Eliud Gabriel Porras
- Carlos (UK & US) / Fernando (UK & US) / Brazilian Steam Engine (UK & US) / Emerson (UK & US) / Coffee Trucks (UK & US) / Brazilian Dock Manager (UK & US) (voice) (as Gabriel Porras)
- Rob Rackstraw
- James (UK & US) / Toby (UK) / Donald (UK & US) / Sam (UK & US) / The Thin Clergyman (UK & US) / African Race Announcer (UK & US) (voice)
- Christopher Ragland
- Percy (US) / Racing Car #4 (UK & US) / Cowboys (UK & US) (voice)
- Abubakar Salim
- Kwaku (UK & US) / African Troublesome Trucks (UK & US) / Various African Characters (UK & US) (voice)
- Kerry Shale
- Henry (US) / Gordon (US) / Beau (UK & US) / Diesel (UK & US) / Harold (US) / Mr. Percival (US) (voice)
- Nicola Stapleton
- Rosie (UK & US)
- Tim Whitnall
- Douglas (UK & US) / Oliver (UK & US) / Bill (UK & US) / Timothy (UK & US) / Moai (UK & US) (voice)
- Keith Wickham
- Edward (UK) / Henry (UK) / Gordon (UK) / Bertie (UK & US) / Harold (UK) / Captain (UK & US) / Sir Topham Hatt (UK & US) / Dowager Hatt (UK & US) / Mr. Percival (UK) / Workmen (UK & US) (voice)
- Matt Wilkinson
- Ben (UK & US) / Cranky (UK) / Tony (UK & US) / American Crane (UK & US) (voice)
- Glenn Wrage
- Cranky (US)
- Carl Taylor
- Coffee Trucks (UK & US) / African Troublesome Trucks (UK & US) / Male Racing Cars (UK & US) (singing voice)
- Patricia Kihoro
- Nia (UK & US)
- Elvis Who
- African Troublesome Trucks (UK & US)
- Karun Mungai
- African Troublesome Trucks (UK & US)
- Francis Masinde
- African Troublesome Trucks (UK & US)
- Trina Mungai
- African Troublesome Trucks (UK & US)
- Collins Kemboi
- African Troublesome Trucks (UK & US)
