Cast[]
- Lillie Lightship as Thomas
- Big Mac as Edward
- Hercules as Henry
- Warrior as Gordon
- The Coast Guard as James
- Sally Seaplane as Percy
- Bluenose (from Theodore Tugboat) as Toby
- Truro (from Theodore Tugboat) as Duck
- Zag & Zen (made-up characters) as Donald & Douglas
- Grampus as Oliver
- Carla (from Theodore Tugboat) as Diesel
- Petra (from Theodore Tugboat) as Bill
- Pearl (from Theodore Tugboat) as Ben
- Baddeck (from Theodore Tugboat) as BoCo
- Zorran as Daisy
- Sunshine as Mavis
- Theodore (from Theodore Tugboat) as Stepney
- Ten Cents as Emily
- Hank (from Theodore Tugboat) as Bertie
- Fire Tug as Salty
- Shelburne (from Theodore Tugboat) as Harvey
- Zip as Arry
- Zug as Bert
- Top Hat as Fergus
- Emily (from TTTE) as Skarloey
- Mavis (from TTTE) as Rheneas
- Henry (from TTTE) as Sir Handel
- Edward (from TTTE) as Peter Sam
- Flora (from TTTE) as Rusty
- Fergus (from TTTE) as Duncan
- Gordon (from TTTE) as Duke
- Stanley (from TTTE) as Freddie
- Lorry 2 & Lorry 3 (from TTTE) as Mighty Mac
- Daisy (from TTTE) as Smudger
- Lady Hatt (from TTTE) as Mr. Percival
- Digby (from Theodore Tugboat) as Arthur
- Sigrid (from Theodore Tugboat) as Lady
- Rebecca (from Theodore Tugboat) as Diesel 10
- Zebedee & Zak as Splatter & Dodge
- Captain Star (from Salty's Lighthouse) as Sir Topham Hatt
- Jack the Grappler as Terence
- Bedford (from Theodore Tugboat) as Trevor
- Stewiacke (from Theodore Tugboat) as Toad
- Barrington (from Theodore Tugboat) as Derek
- Oliver (from Theodore Tugboat) as Bulgy
- Johnny Cuba as Elizabeth
- R. Boat (from Theodore Tugboat) as George
- Sea Rogue's Uncle as Murdoch
- Bulstrode (from TTTE) as Spencer
- Clemetime (from Theodore Tugboat) as Caroline
- Clayton (from Theodore Tugboat) as Cranky
- Cabot (from Theodore Tugboat) as Scruffey
- Billy Shoepack as Rosie
- Nantucket as Bulstrode
- Boomer as Stanley
- Bluenose, Frank & Eddie as The Horrid Lorries
- Foduck (from Theodore Tugboat) as Whiff
- Emily (from Theodore Tugboat) as Billy
- Phillip & Fillmore (from Theodore Tugboat) as Bash & Dash
- Fundy (from Theodore Tugboat) as Ferdinand