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This article is about the special. You may be looking for the series.

Big World! Big Adventures! is the 2018 movie.


A racing car called Ace inspires Thomas The Tank Engine to become the first engine to travel the world, so Thomas sets off on an adventure which takes him to five continents, across deserts, through jungles and over dangerous mountains. On his journey Thomas meets Nia, an engine who teaches him that everyone needs a little help from their friends.


Characters Introduced

Some cowboys also speak. They are voiced by Kerry Shale and Christopher Ragland.


Voice Cast



  • Joseph May as Thomas
  • Kerry Shale as Henry, Gordon, Beau, Harold and Mr. Percival
  • Rob Rackstraw as James
  • Christopher Ragland as Percy
  • Jules de Jongh as Emily
  • Keith Wickham as Bertie, Captain, Sir Topham Hatt, Dowager Hatt
  • Nicola Stapleton as Rosie
  • Rufus Jones as Flying Scotsman
  • Yvonne Grundy as Nia (Patricia Kihoro as Nia's singing voice)
  • David Bedella
  • Dan Li as Yong Bao
  • Gabriel Porras as Carlos, Emerson, Coffee Trucks, Various South American Voices
  • Su-Lin Looi as Chinese Diesel Shunter
  • Steven Kynman as Paxton
  • Bob Golding as Sidney
  • Abubakar Salim as Kwaku, African Troublesome Trucks, Various African Voices
  • Ritchie Campbell as African Troublesome Trucks, Various African Voices
  • Akiya Henry as African Troublesome Trucks, Various African Voices
  • Chipo Chung as African Troublesome Trucks, Various African Voices
  • Dona Adwera as Various African Voices
  • Peter Andre as Ace




  • When Ace jumps over the fence near Flying Scotsman, his front bumper clips through the rails as he lands.
  • When at Knapford Station, the fish trucks are shown to have no faces, but at Vicarstown Station they have gained faces.
  • In the UK dub James has his US voice when he says, "Welcome to Sodor!"


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  • Nia
  • Beau
  • Ace


  • Thomas & Ace the Racer
  • Nia


  • Jungle Thomas with Ace
  • Nia and the Elephant
  • Yong Bao Rescue
  • Thomas' Jungle Adventure