Cast[]
- Duck as Thomas
- Green Arrow (from RWS) as Edward
- Flying Scotsman as Henry
- The Big City Engine (from RWS) as Gordon
- Mallard (from RWS) as James
- Oliver as Percy
- City of Truro as Toby
- Thomas as Duck
- Henry & Gordon as Donald & Douglas
- Stepney as Oliver
- George as Diesel (George and Diesel are both rivals to Duck and Thomas)
- Skarloey & Rheneas as Bill & Ben
- Duke as BoCo
- Cleo as Daisy
- Isabella as Mavis
- Percy as Stepney
- Lady as Emily
- Ferdinand as Bertie
- Bertram as Salty
- Kevin as Harvey
- Duncan and Bulstrode as Harry & Bert
- Trevor as Fergus
- Culdee (from RWS) as Skarloey
- Wilfred (from RWS) as Rheneas
- Ernest (from RWS) as Sir Handel
- Shane Dooiney (from RWS) as Peter Sam
- Class 40 as Rusty
- Harry as Duncan
- BoCo as Duke
- Jock (from RWS) as Freddie
- Blister Twins (from RWS) as Mighty Mac
- Stepney as Arthur
- Emily as Lady
- Nelson as Diesel 10
- Max & Monty as Splatter & Dodge (Max & Monty work for Nelson; just like Splatter & Dodge work for Diesel 10)
- Jem Cole as Sir Topham Hatt
- The Refreshment Lady as Lady Hatt
- Byron as Terence
- Fergus as Trevor
- Alfie as Toad
- Murdoch as Derek
- Spencer as Bulgy
- Isabella as Elizabeth
- Diesel as George
- Derek as Murdoch
- Bulgy as Spencer
- Henrietta as Caroline
- Colin as Cranky
- The Spiteful Brake Van as Scruffey
- The Mountain Railway Manager as Mr. Percival
- Jeremy as Harold
- Madge as Rosie
- Troublesome Trucks as The Trucks
- Godred (from RWS) as Smudger
- Bert as Bulstrode
- Harold as Jeremy
- Rosie as Molly
- Whiff as Stanley
- Annie & Clarabel as Themselves
- Stanley as Whiff
- Peter Sam as Scruff
- Frank (from RWS) as Dennis
- Butch as Rocky
- Scruffey as The Spiteful Brake Van
- Molly as Madge
- Rusty as Class 40
- Norman, Paxton & Sidney as The Horrid Lorries
- Charlie as Billy
- Billy as Charlie
- Bill, Ben & BoCo as The Logging Locos
- Splatter & Dodge as Den & Dart
- Lorry 1 as Norman
- Lorry 2 as Paxton
- Lorry 3 as Sidney
- Flora as Belle
- Crosby Station Cargo Truck as Flynn
- Salty as Bertram
- Bertie as Proteus
- Caroline as Henrietta
- Scruff as Luke
- Donald as Merrick
- Douglas as Owen
- Arthur as Winston
- James as Stafford
- Freddie as Stephen
- Catherine (from RWS) as Millie
- Sir Handel as Connor
- Old Slowcoach as Caitlin
- Hiro as Porter
- Johnny Cuba (from Tugs) as Big City Engine (from RWS)
- Alfred the Loaned B12 as Diesel 199 (from RWS)
- Farnsworth (from The Little Engine That Could) as Old Stuck-Up (from RWS)
- Diesel 199 (from RWS) as Alfred the Loaned B12
- Old Stuck-Up (from RWS) as Farnsworth (from The Little Engine That Could)
- Stafford as Bear (from RWS)