Dirty Objects/Shiny Engine In a Mess is the 25th episode of Big City Engine the Tender Engine and Friends and the 25th episode of Sesaon 1.
- The Shiny Engine (from The Little Engine That Could (Book) as James
- Mallard (from RWS) as Toby
- Millie as Herietta (Does not speak)
- Spencer as Percy
- The Coaches as Troublesome Trucks
- Stewie Griffin (from Family Guy) as Sir Topham Hatt