Cast[]
- Thomas - Ten Cents/Grampus/Stanley/Chooch/Zorran/Salty/Warrior/Otis/Big Stack/Theodore (from TT)
- Edward - Hercules/Himself/Grampus/Sonic (from Sonic)/Zug/Zip/Zak/Big Stack/Warrior/Top Hat/Otis
- Henry - Top Hat/Warrior/Big Stack/Grampus/Salty/Octo the Octopus/Bluenose/Scoop/Red Fin/Claude
- Gordon - Big Stack/Warrior/Top Hat/Ten Cents/Z. B./Zorran/Stanley/Chooch/Frank/Eddie
- James - Grampus/Billy Shoepack/Himself/Top Hat/Eddie/Frank
- Percy - Salty/Top Hat/Ten Cents/Hank (from TT)/Bill (from Ferry Boat Fred)/Zug/Cappy/Tails (from Sonic)
- Toby - Otis/Ten Cents/Grampus
- Duck - Top Hat/Zak/Grampus/Himself/Claude/Eddie/Big Stack/The Goods Engine (from TUGS)
- Donald - Sophie
- Douglas - Sadie
- Oliver - Boomer/Steamer/Grampus/Ten Cents/Salty/Sadie/Scoop/Red Fin
- Emily - Sunshine/Lillie Lightship
- Diesel 10 - Sea Rouge/Postman Pat (from Postman Pat)/Thomas (from Thomas)/Astro Boy (from Astro Boy)/Zorran/Z. B.
- Diesel - Postman Pat (from Postman Pat)/Sea Rouge
- D261 - Katie (from Ferry Boat Fred)
- Bertie - Thomas (from Thomas)/Stanley/Chooch/Himself/Ten Cents
- Trevor - Percy (from Thomas)/Himself/Tails (from Sonic)/Salty
- Terence - Gordon (from Thomas)/Billy Shoepack
- Butch - Duck (from Thomas)/Postman Pat (from Postman Pat)/Claude/Octo the Octopus
- Harold - Tiger Mont (from Thomas)/James (from Thomas)/Big Stack/Grampus/Sunshine (from TUGS)/Scoop
- Lady - Barbar (from Barbar)/Sunshine/Little Ditcher/Lillie Lightship/Duchess
- Caroline - Emily (from Thomas)/Lillie Lightship/Little Ditcher
- Rosie - Emily (from Ferry Boat Fred)/Sunshine
- George - Diesel (from Thomas)/Himself/Postman Pat (from Postman Pat)/Sea Rouge
- Jack - Stanley/Chooch/Scoop
- Bulgy - D261 (from Thomas)/Diesel 10 (from Thomas)/Sea Rouge/Zug/Top Hat
- Daisy - Himself
- Bulstrode - Hector (from Thomas)/Sea Rouge/Lord Stinker
- Madge - Rosie (from Thomas)/Sunshine
- Cranky - Bigg Basil/Himself
- Stepney - Scuttlebutt Pete/Cappy/Salty/Claude/Octo the Octopus/Himself/Little Ditcher
- Flynn - Salty (from Thomas)/Salty/Top Hat/Grampus/Zorran/Ten Cents/Big Stack/Red Fin
- Horrid Lorries - Bill, Ben and BoCo (from Thomas)/Bash, Dash and Fredinand (from Thomas)/Red Fin/Zug/Zip
- Thumper - Henry (from Thomas)/Derek (from Thomas)/Clams/Himself/Claude/Octo the Octopus
- Kevin - Toby (from Thomas)/Lord Stinker/Tails (from Sonic)/Izzy Gomez/Zip/Zak/Warrior/Top Hat
- Captain - Spencer (from Thomas)/Scoop/Ten Cents/Grampus/Grampus (from TUGS)/Mighty Moe
- BoCo - Red Fin/Ten Cents/Stanley/Chooch/Himself
- Elizabeth - Daisy (from Thomas)/Aunt Chovie/Little Ditcher/Sunshine
- Soft-sided Lorries - Troublesome Trucks (from Thomas)/Themselves
- Jeremy - Harvey (from Thomas)/Ten Cents/Big Stack/George (from TT)/Warrior/Top Hat/Salty
- Tiger Mont - Murdoch (from Thomas)/Zug/Zorran/Top Hat/Cappy/Himself/Izzy Gomez/Ten Cents