Cast[]
- Postman Pat as Mr. Conductor (Ringo Starr)
- George Lancaster as Mr. Conductor (George Carlin)
- Sara as Stacy Jones
- Mr. Jeff Pringle as Schemer
- Alf Thompson as Billy Twofeathers
- Peter Fogg as Harry Cupper
- Dorothy Thompson as Kara
- Ted Glenn as Dan
- Doctor Gilbertson as Becky
- Mrs. Pottage as Tanya
- Julian as Matt
- Noddy (from Noddy's Toyland Adventures) as JB King
- Thomas (from TTTE) as Tito Swing
- Emily (from TTTE) as Didi
- Molly (from TTTE) as Grace the Bass
- Edward (from TTTE) as Tex
- James (from TTTE) as Rex
- Bill Thompson as Schemee
- Sam Waldron as Mr. Nicholas
- Miss Hubbard as Vickie
- Tessie Bear (from Noddy's Toyland Adventures) as The Queen
- Major Forbes as Tucker
- Norman Price (from Fireman Sam) as Mr. Conductor's Evil Twin
- Bentley the Robot (from Fireman Sam) as Sledgebolt
- Mrs. Goggins as Mr. Conductor's Sister
- PC Selby as Barton Winslow
- Oakie Doke (from Oakie Doke) as Kit
South Park Characters as Thomas Characters
- Stan Marsh as Thomas
- Randy Marsh as Edward
- Mr. Garrison as Henry
- Chef as Gordon
- Kyle Broflovski as James
- Kenny McCormick as Percy
- Mr. Mackey as Toby
- Craig Tucker as Duck
- Terrance and Phillip as Donald and Douglas
- Clyde Donovan as Oliver
- Eric Cartman as Diesel
- Jimmy Valmer and Timmy Burch as Bill and Ben
- Gerald Broflovski as Boco
- Shelly Marsh as Daisy
- Bebe Stevens as Mavis
- Mr. Hankey as Bertie
- Gregory of Yardale as Bulgy
- Damien as George
- Saddam Hussein as D261
- Scott The Dick as The Spiteful Breakvan
- Numbuh 1 (from Codename: Kids Next Door) as Sir Topham Hatt