- Tim Bain
- Aiden (UK & US) / Madeleine's Father (UK & US) (voice)
- David Bedella
- Victor (UK & US)
- Sanjeev Bhaskar
- Shankar (UK & US)
- Sheena Bhattessa
- Noor Jehan (UK & US)
- Chipo Chung
- Hong-Mei (UK & US)
- Olivia Colman
- Marion (UK & US)
- Tina Desai
- Ashima (UK & US)
- Teresa Gallagher
- Emily (UK) / Belle (UK & US) / Annie and Clarabel (UK & US) (voice)
- Bob Golding
- Sidney (UK & US)
- Yvonne Grundy
- Nia (UK & US)
- Rasmus Hardiker
- Bill (UK & US) / Philip (UK & US) / Angry Man (UK & US) (voice)
- John Hasler
- Thomas (UK)
- Siu-see Hung
- AnAn (UK & US)
- Shane Jacobson
- Shane (UK & US)
- Rufus Jones
- Flying Scotsman (UK & US)
- Steven Kynman
- Duck / Porter / Paxton / Dart (voice)
- Dan Li
- Yong Bao (UK & US)
- Windson Liong
- Yin-Long (UK & US) / Lei (UK & US) (voice)
- Genevieve McCarthy
- Aubrey (UK & US)
- Rachael Louise Miller
- Rebecca (UK & US) / Isla (UK & US) / The Teacher (UK & US) (voice) (as Rachael Miller)
- Tracy-Ann Oberman
- Daisy (UK & US)
- Nikhil Parmar
- Rajiv (UK & US)
- Nigel Pilkington
- Percy (UK)
- Rob Rackstraw
- James (UK & US)
- Kerry Shale
- Diesel (UK & US)
- Tim Whitnall
- Reg (UK & US)
- Keith Wickham
- Edward (UK) / Henry (UK) / Gordon (UK) / Harvey (UK & US) / Whiff (UK) / Salty (UK & US) / Skarloey (UK & US) / Sir Topham Hatt (UK & US) (voice)
- Matt Wilkinson
- Ben (UK & US) / Cranky (UK) / Kevin (UK) (voice)
