Hero of the Rails: Season 12 (Model/CGI) Edition

== Characters ==
* Thomas
* Edward
* Henry
* Gordon
* James
* Percy
* Toby
* Duck
* Oliver
* Emily
* Bill and Ben
* Dennis
* Harvey
* Bertie
* Harold
* Salty
* Arthur
* Murdoch
* Molly
* Spencer
* Rocky
* Cranky
* Colin
* Flora
* Hiro
* Victor
* Kevin
* Mavis
* Stanley
* Rosie
* Hector
* Troublesome Trucks
* The Duke and Duchess of Boxford
* Sir Topham Hatt/The Fat Controller
* Toad (does not speak)
* The Stationmaster (does not speak)
* Donald and Douglas (not named, does not speak)
* Hank (not named, does not speak)
* Henrietta (cameo)
* Bulgy (cameo)
* Diesel (cameo)
* Jack (cameo)
* Stepney (cameo)
* Daisy (cameo)
* Neville (cameo)
* Whiff (cameo)
* Terence (cameo)
* Trevor (cameo)
* Rheneas (cameo)
* Peter Sam (cameo)
* Rusty (cameo)
* Freddie (cameo)
* Farmer McColl (cameo)
* Farmer Trotter (cameo)
* Miss Jenny (cameo)
* Mr. Percival (cameo)
* Mrs. Percival (cameo)
* The Percival Children (cameo)
* Sir Topham Hatt's Assistants (cameos)
* Big Mickey (faceless cameo)
* Jem Cole (cameo)
* Farmer Finney (cameo)
* Duke (mentioned)
* Flying Scotsman (indirectly mentioned)