Full cast of Thomas & Friends: All Engines Go!

Kai Harris

Thomas (voice)

54 episodes

Charlie Zeltzer

Percy

26 episodes

Talia Evans

Nia

26 episodes

Shomoy James Mitchell

Diesel

26 episodes

David Kohlsmith

Thomas (voice)

14 episodes

Diya Kittur

Ashima (US) (Voice) / Ashima

2 episodes

Meesha Contreras

Thomas (voice)

2 episodes