Old Iron is the 34th episodoe of Big City Engine the Tender Engine and Friends and the 5th episode of Season 2.
- Farnsworth (from The Little Engine That Could) as Edward
- The Shiny Engine (from The Little Engine That Could (Book)) as James
- Big City Engine as Thomas
- Spencer as Percy
- The Friegth Engine (from The Little Engine That Could (Book)) as Henry (Cameo)
- Bluenose (from TUGS) as Gordon (Cameo)
- Stewie Griffin (from Family Guy) as Sir Topham Hatt