List of The New Thomas & Friends voice actors

In The US

 * Eddie Glen as Thomas
 * Jeff Bennett as Edward
 * Hugh Laurie as Henry
 * Phil Lollar as Gordon
 * Adam McArthur as James
 * Barrett Leddy as Percy
 * Colm Feore as Toby
 * Kerry Shale as Sir Topham Hatt
 * Monica Rial & Tara Strong as Annie and Clarabel
 * Kevin Frank as Bertie
 * Keegan-Michael Key as Harold
 * Nick Bakay as Duck
 * David Tennant and Brian Stepanek as Donald and Douglas
 * Joe Mills as Oliver
 * Jim Cummings as Toad
 * Tara Strong as Emily
 * Zachary Bennett as Diesel
 * Phil LaMarr as Bill and Ben
 * Tim Whitnall as Timothy
 * Susan Roman as Daisy
 * Mindy Kaling as Mavis
 * Glenn Wrage as Cranky
 * David Menkin as Farmer McColl
 * Taron Egerton as Rumple
 * Bobby Driscoll as Brooklyn
 * John Goodman as Murdoch
 * Togo Igawa as Hiro
 * Joey D’Auria as Salty
 * Tress MacNeille as Molly
 * Jules De Jongh as Rosie
 * Justin Long, Christina Ricci, Tara Strong, Bill Fagerbakke, and Frank Welker as Troublesome Trucks
 * Tabitha St. Germain as Ashima
 * Wilhelm Dafoe as George
 * Hynden Walch as Samantha
 * Jeff Bennett as Terence

In The UK

 * Eddie Glen as Thomas
 * Jeff Bennett as Edward
 * Keith Wickham as Henry
 * Keith Wickham as Gordon
 * Adam McArthur as James
 * Emma Tate as Percy
 * Colm Feore as Toby
 * Keith Wickham as The Fat Controller