Cast[]
- Rosie as Thomas
- Molly as Edward
- Rebecca as Henry
- Murdoch as Gordon
- Sir Handel as James
- Emily as Percy
- Flora as Toby
- Oliver as Duck
- Sidney & Paxton as Donald & Douglas
- Lady as Oliver
- Frankie as Diesel
- Annie & Clarabel as Bill & Ben
- Flynn as BoCo
- Diesel 10 as Daisy
- Whiff as Mavis
- Nia as Stepney
- Percy as Emily
- Trevor as Bertie
- Duke as Salty
- Kevin as Harvey
- Splatter and Dodge as Harry and Bert
- Freddie as Fergus
- Timothy as Skarloey
- Charlie as Rheneas
- James as Sir Handel
- Stepney as Peter Sam
- 16 (from RWS) as Duncan
- Culdee (from RWS) as Rusty
- Salty as Duke
- Fergus as Freddie
- Bash and Dash as Mighty Mac
- Stanley as Arthur
- Duck as Lady
- Daisy as Diesel 10
- Harry and Bert as Splatter & Dodge
- Lady Hatt as Sir Topham Hatt
- Sir Topham Hatt as Lady Hatt
- Jack as Terence
- Bertie as Trevor
- Stafford as Toad
- Dennis as Derek
- Elizabeth as Bulgy
- Bulgy as Elizabeth
- Spencer as George
- Gordon as Murdoch
- George as Spencer
- Belle as Caroline
- Hector as Cranky
- The Spiteful Brake Van as Scruffey
- Mrs. Percival as Mr. Percival
- Mr. Percival as Mrs. Percival
- Jeremy as Harold
- Thomas as Rosie
- Troublesome Trucks as Themselves
- Godred (from RWS) as Smudger
- Zorran (from Tugs) as Bulstrode
- Harold as Jeremy
- Edward as Molly
- Arthur as Stanley
- Mavis as Whiff
- Phillip as Scruff
- Derek as Dennis
- Millie as Billy
- Belle as Hank (Belle and Hank are both big and blue)
- Toby as Flora
- Victor as Hiro
- Rocky as Kevin
- Hiro as Victor
- Old Stuck-Up (from RWS), Den and Dart as The Horrid Lorries
- Diesel 199 (from RWS) as Class 40 (Diesel 199 and Class 40 are both big mean diesels)
- Scruffey as Spiteful Brake Van
- Terence as Jack
- Trevor as Alfie
- Mike as Nelson
- Rex as Oliver (Pack)
- Zebedee and Zak (from Tugs) as Max and Monty
- Duke as Kelly
- Sam as Byron
- Winston as Ned
- Tillie (from The Little Engine That Could) as Isabella
- Lord Harry/Patrick (from RWS) as Patrick
- The Works Diesel (from RWS) as Buster
- Old Slowcoach as Madge
- BoCo as Flynn
- Caroline as Belle
- Samson as Neville
- Mighty, Mac and Bertram as The Logging Locos
- Duncan as Norman
- Douglas as Paxton
- Donald as Sidney
- Lorry 2 and Lorry 3 as Den and Dart
- 10 Cents (from Tugs) as Captain
- Hercules (from Tugs) as Butch
- Harvey as Rocky
- Big Mickey (from Tugs) as Colin
- Rheneas as Charlie
- Cranky as Hector
- Ferdinand as Bertram
- Stephen as Proteus
- Byron as Thumper
- Reg as Merrick
- Owen (from Theodore Tugboat) as Owen
- Ned as Winston
- Toad as Stafford
- Proteus as Stephen
- Sally Seaplane (from Tugs) as Luke
- Billy as Millie
- Caitlin as Connor
- Connor as Caitlin
- Bill and Ben as Annie and Clarabel
- Big City Engine (from RWS) as Vinnie
- Hannah as Henrietta
- Henrietta as Hannah
- Porter as Ryan
- Peter Sam as Nia
- Henry as Rebecca
- Pete (from The Little Engine That Could) as Shane
- Byron as Sam
- Ashima as Frieda
- The Shiny Engine (from The Little Engine that Could (book)) as Axel
- Diesel as Frankie
- Frieda as Ashima
- Skarloey as Timothy
- Axel as Hurricane
- Madge as Old Slowcoach
- Nelson as Mike
- Oliver (Pack) as Rex
- Vinnie as Big City Engine (from RWS)
- Top Hat (from Tugs) as Mallard (from RWS)
- Big Mac (from Tugs) as Flying Scotsman
- Lillie Lightship (from Tugs) as Duchess of Hamilton (from RWS)
- Warrior (from Tugs) as Green Arrow (from RWS)