Big City Engine/Percy

Cast

 * Big City Engine as Percy
 * Farnsworth (from The Little Engine That Could) as Hiro
 * The Freight Engine (from The Little Engine That Could (Book)) as Gordon
 * Bluenose (from TUGS) as BoCo (Bluenose and BoCo's names both start with "B")
 * The Shiny Engine (from The Little Engine That Could (Book)) as Duncan (The Shiny Engine and Duncan are both yellow)
 * Spencer as Billy
 * Mallard (from RWS) as James
 * Lord Harry (from RWS) as Thomas
 * Den as Bill
 * Dart as Ben
 * Godred (from RWS) as Stepney
 * Rusty as Diesel 10
 * Splatter as Bash
 * Dodge as Dash
 * Diesel 10 as Ferdinand
 * Madge as Elizabeth
 * Elizabeth as Molly
 * Sea Rogue (from Salty's Lighthouse) as Oliver
 * Carla (from Theodore Tugboat) as Rosie
 * Hector as Harold (Hector and Harold's names both start with "H")
 * Pete (from The Little Engine That Could) as Freddie
 * Bobby Barge (from Theodore Tugboat) as Colin
 * Bash as Norman
 * Dash as Paxton
 * Oliver (from Theodore Tugboat) as Rheneas
 * Scruffey as Charlie
 * Fred Pelhay (from RWS) as Fergus
 * Zebedee (from TUGS) as Neville
 * Zak (from TUGS) as Whiff
 * Diesel as Arthur
 * Stanley/No. 2 (from RWS) as Dennis
 * Bertram as The Old Engine (from RWS)
 * Smudger as Salty
 * Zip (from TUGS) as Den
 * Zug (from TUGS) as Dart
 * Norman as Rusty
 * Rebecca (from Theodore Tugboat) as Olivia
 * BoCo as Diesel
 * Bill as Arry
 * Ben as Bert