Cast[]
- Arthur as Thomas
- Fergus as Edward
- Stepney as Henry
- Duck as Gordon
- Charlie as James
- Luke as Percy
- Duke as Toby
- Gordon as Duck
- Arry & Bert as Donald & Douglas
- Murdoch as Oliver
- Smudger as Diesel
- Splatter & Dodge as Bill & Ben
- Flying Scotsman as BoCo
- Madge as Daisy
- Rosie as Mavis
- Henry as Stepney
- Belle as Emily
- Culdee (from RWS) as Bertie
- Sir Handel as Salty
- Hank as Harvey
- Donald & Douglas as Harry & Bert
- Edward as Fergus
- Stafford as Skarloey
- Stanley as Rheneas
- Salty as Sir Handel
- Doc (from The Little Engine That Could) as Peter Sam
- Freddie as Rusty
- Pete (from The Little Engine That Could) as Duncan
- Toby as Duke
- Rusty as Freddie
- Victor & Kevin as Mighty Mac
- Thomas as Arthur
- Caitlin as Lady
- Boulder as Diesel 10
- Bill & Ben as Splatter & Dodge
- 10 Cents (from Tugs) as Sir Topham Hatt
- Sally Seaplane (from Tugs) as Lady Hatt
- Butch as Terence
- Kelly as Trevor
- Whiff as Toad
- Harold as Derek
- Bulstrode as Bulgy
- Isabella as Elizabeth
- Scruffey as George
- Oliver as Murdoch
- Den as Spencer
- Millie as Caroline
- Merrick as Cranky
- George as Scruffey
- Hercules (from Tugs) as Mr. Percival
- Derek as Harold
- Mavis as Rosie
- The Troublesome Tucks as Themselves
- Diesel as Smudger
- Bulgy as Bulstrode
- Rheneas as Stanley
- Beresford as The Spiteful Brake Van
- Wilbert (from RWS) as Jack
- Scruff as Alfie
- Bertram as Oliver (Pack)
- Farnsworth (from The Little Engine That Could) & 16 (from RWS) as Max & Monty
- Trevor as Kelly
- Jock as Byron
- Colin as Ned
- Elizabeth as Isabella
- Flynn as Nelson
- Dennis as Patrick
- Billy as Buster
- D199 (from RWS) as Class 40
- Toad as Whiff
- Alfie as Scruff
- Patrick as Dennis
- Flora as Molly
- Buster as Billy
- Emily as Belle
- Nelson as Flynn
- Harvey as Hank
- James as Charlie
- Molly as Flora
- Spencer & Mallard (from RWS) as Den & Dart
- Frank as Norman
- Sidney as Paxton
- Paxton as Sidney
- Daisy as Madge
- Terence as Butch
- Jebediah (from The Little Engine That Could) as Hiro
- Mighty as Victor
- Mac as Kevin
- Percy as Luke
- Wilson (from Chuggington) as Winston
- Skarloey as Stafford