Cast[]
- Terence as Thomas
- Henry as Edward
- Edward as Henry
- Derek as Gordon
- Bulgy as James (Bulgy and James are both Vain)
- Bertie as Percy
- James as Toby
- Peter Sam as Duck
- Bash and Dash as Donald and Douglas
- Rusty as Oliver
- The Spiteful Brakevan as Diesel
- Donald and Douglas as Bill and Ben
- Murdoch as BoCo
- Judge Judy The Diesel as Daisy
- Molly as Mavis
- Toad as Stepney
- Madge as Emily
- Toby as Bertie
- Den as Salty
- Splatter and Dodge as Harry and Bert
- Skarloey as Fergus
- Skarloey as Trevor as Rheneas as Fergus
- Skarloey as Rheneas as Trevor as Fergus
- Fergus as Skarloey
- Fergus as Rheneas as Trevor as Skarloey
- Fergus as Trevor as Rheneas as Skarloey
- Trevor as Rheneas
- Trevor as Skarloey as Fergus as Rheneas
- Trevor as Fergus as Skarloey as Rheneas
- Paxton as Sir Handel
- Duck as Peter Sam
- Oliver as Rusty
- George as Duncan
- Whiff as Duke
- Scruff as Freddie
- Donald and Douglas as Mighty Mac