Cast[]
- Duncan as Thomas
- Quorton as Edward
- Max as Henry
- Ace as Gordon
- Monty as James
- Murdoch as Percy
- Hurricane as Toby
- Stanley/No.2 (from RWS) as Duck
- Lorries 2 & 3 as Donald & Douglas
- Mallard (from RWS) as Oliver
- Hiro as Diesel
- 98462 & 87546 (from RWS) as Bill & Ben
- Scruffey as BoCo
- Molly as Daisy
- Jenna as Mavis
- Pete (from The Little Engine That Could) as Stepney
- Caroline as Emily
- 16 (from RWS) as Bertie
- Big City Engine (from RWS) as Salty
- Lorry 1 as Harvey
- Ryan & Flynn as Harry & Bert
- Sonny as Fergus
- George as Skarloey
- Bulgy as Rheneas
- Class 40 as Sir Handel
- Diesel 13 as Peter Sam
- Vinnie as Rusty
- Wendell (from RWS) as Duncan
- James as Duke
- Diesel 18 as Freddie
- Gordon & Henry as Mighty Mac
- Bert as Arthur
- Judge Judy as Lady
- Fergus as Diesel 10
- Derek & BoCo as Splatter & Dodge
- Mr. L (from Mario) as Sir Topham Hatt
- Mrs. D (from Mario) as Lady Hatt
- Snorri (from Theodore Tugboat) as Terence
- Edward as Trevor
- Frank (from RWS) as Toad
- Fred Pelham (from RWS) as Derek
- Stanley as Bulgy
- Daisy as Elizabeth
- Billy as George
- Harry as Murdoch
- Raul as Spencer
- Henrietta as Caroline
- Kelly as Cranky
- Winston as Scruffey
- The Stationmaster as Mr. Percival
- Tiger Moth as Harold
- Shelly as Rosie
- The Coaches as Troublesome Trucks
- Luke as Smudger
- Toby as Bulstrode
- Diesel 10 as Stanley
- Nelson as The Spiteful Break Van
- Kazuya as Jack
- Lord Harry/Patrick (from RWS) as Alfie
- Oliver as Oliver (Pack)
- Paxton & Diesel as Max & Monty
- Colin as Kelly
- Old Stuck-Up (from RWS) as Byron
- Crovan as Ned
- Midnight Sparkle (from My Little Pony) as Isabella
- Rickety as Nelson
- Stafford as Patrick
- The Chinese Dragon as Buster
- Wilbert (from RWS) & Mighty Mac as The Horrid Lorries
- Skarloey as Class 40
- Hector as Whiff
- Splatter as Scruff
- Oliver (Pack) as Dennis
- Ripslinger (from Planes) as Jeremy
- Gina as Molly
- Gustavo as Billy
- Sarah the Double Decker Bus as Belle
- Dart as Flynn
- Ashima as Old Slowcoach
- Gator, Timothy & Reg as The Logging Locos
- Agnus & Lucy (from RWS) as Annie & Clarabel
- Butch as Rocky
- Thumper as Proteus
- Godred (from RWS) as Hank
- Salty as Colin
- Dustin as Charlie
- Freida as Flora
- Captain as Hector
- Duck as Bertram
- Cranky as Neville
- Bulstrode as Captain
- Bear (from RWS) & Hank as Den & Dart
- Donald as Norman
- Douglas as Paxton
- Peter Sam as Sidney
- Marion as Madge
- Rocky as Butch
- Diesel 14 as Hiro
- Merrick as Victor
- Owen as Kevin
- Alaric (from RWS) as The Chinese Dragon
- Charlie as Thumper
- Frankie as Henrietta
- Steampunk as Luke
- Ferdinand as Merrick
- Toad as Owen
- Farnsworth (from The Little Engine That Could) as Winston
- Patrick as Stafford
- Alfred the Loaned B12 as Stephen
- Martha the Yellow Steamroller as Millie
- Purplenose as Connor
- Pinknose as Caitlin
- Harold as Tiger Moth
- Diesel 19 as Porter
- Bill as Gator
- Mavis as Marion
- Ben as Timothy
- Freddie as Reg
- Buster as Boulder
- Ivo Hugh as Samson
- The Freight Engine (from The Little Engine That Could - Book) as Sam
- The Shiny Engine (from The Little Engine That Could - Book) as Logan
- Diesel 11 as Glynn
- Den as Ryan
- Yong Bao as Mike
- Carlos as Rex
- Rajiv as Bert
- Axel as Skiff
- Sailor John as Captain Joe
- Captain Joe as Sailor John
- Benny as Philip
- Skiff as Axel
- Mike as Yong Bao
- Diesel 199 (from RWS) as Raul
- Old Slowcoach as Ashima
- Shane as Ivan
- Emily as Gina
- Bert as Rajiv
- Ivan as Shane
- Stepney as Vinnie
- Diesel 15 as Flying Scotsman
- Rex as Carlos
- Spencer as Etienne
- Belle as Frieda
- Theo as Hugo
- Bertram as Merlin
- Elizabeth as Frankie
- Rebecca as Lexi
- Hugo as Theo
- Whiff as Hurricane
- Nia as Hannah
- Pip (from RWS) as Nia
- Norman as Ace
- Noor Jehan as Natalie
- Emma (from RWS) as Rebecca
- Cleo as Hong Mei
- Dexter as Himself
- Natalie as Noor Jehan
- Diesel 17 as Shankar
- Rheneas as Gustavo
- Diesel 12 as Lorenzo
- Diesel 16 as Beppe
- Sir Handel as Sonny
- Hong Mei as Cleo
- Hannah as Duchess
- Diesel 20 as Kenji
- Proteus as Dustin
- Mr. Percival as The Stationmaster
- Mr. M and Mrs. P (from Mario) as The Duke and Duchess of Boxford
- Bash & Dash as 98462 & 87546
- Bertie as Big City Engine
- Percy as Godred
- Class 06 as Culdee
- Dennis as Lord Harry/Patrick
- Boulder as Neil
- Harvey as Diesel 782
- Etienne as Diesel 199
- Merlin as Bear
- Arthur as Stanley/No.2
- Stephen as Old Stuck-Up
- Smudger as Wendell
- Duchess and Duchess of Hamilton as Pip and Emma
- Kevin as Frank
- Wilfred as The Class 08
- The Class 08 as Green Arrow
- Alfie as Mallard
- Byron as Alfred the Loaned B12
- Lexi as Duchess of Hamilton
- Diesel 782 as Wilbert
- Neville as 16
- Samson as Ivo Hugh
- Flying Scotsman as Class 06
- Glynn as Diesel 11
- Lorenzo as Diesel 12
- Trevor as Diesel 13
- Duke as Diesel 14
- Culdee as Diesel 15
- Beppe as Diesel 16
- Shankar as Diesel 17
- Victor as Diesel 18
- Porter as Diesel 19
- Kenji as Diesel 20
- Sidney as Quorton
- Rosie as Judge Judy
- Lady as Shelly
- Madge as Jenna
- Ned as Crovan
- Flora as Sarah the Double Decker Bus
- Millie as Martha the Yellow Steamroller
- Connor as Purplenose
- Caitlin as Pinknose
- Kwaku as Benny
- Thomas as Steampunk
- Jack as Kazuya
- Rusty as Pete (from The Little Engine That Could)
- Scruff as Farnsworth (from The Little Engine That Could)