Aiden (UK & US) / Madeleine's Father (UK & US) (voice)
Victor (UK & US) (voice)
Shankar (UK & US) (voice)
Noor Jehan (UK & US) (voice)
Hong-Mei (UK & US) (voice)
Marion (UK & US) (voice)
Ashima (UK & US) (voice)
Emily (UK) / Belle (UK & US) / Annie and Clarabel (UK & US) (voice)
Sidney (UK & US) (voice)
Nia (UK & US) (voice)
Bill (UK & US) / Philip (UK & US) / Angry Man (UK & US) (voice)
Thomas (UK) (voice)
AnAn (UK & US) (voice) (as Siu-See Hung)
Shane (UK & US) (voice)
Flying Scotsman (UK & US) (voice)
Duck / Porter / Paxton / Dart (voice)
Yong Bao (UK & US) (voice)
Yin-Long (UK & US) / Lei (UK & US) (voice)
Aubrey (UK & US) (voice)
Rebecca (UK & US) / Isla (UK & US) / The Teacher (UK & US) (voice) (as Rachael Miller)
Daisy (UK & US) (voice) (as Tracy Ann Oberman)
Rajiv (UK & US) (voice)
Percy (UK) (voice)
James (UK & US) (voice)
Diesel (UK & US) (voice)
Reg (UK & US) (voice)
Edward (UK) / Henry (UK) / Gordon (UK) / Harvey (UK & US) / Whiff (UK) / Salty (UK & US) / Skarloey (UK & US) / Sir Topham Hatt (UK & US) (voice)
Ben (UK & US) / Cranky (UK) / Kevin (UK) (voice)