Millie/Thomas

Cast

 * Millie as Thomas
 * Madge as Edward
 * Isobella as Henry
 * Caitlin as Gordon
 * Mavis as James
 * Caroline as Percy
 * Molly as Toby
 * Belle as Duck
 * Victoria & Helena (from RWS) as Donald & Douglas
 * Lady as Oliver
 * George as Diesel
 * Pip & Emma (from RWS) as Bill & Ben
 * Henrietta as BoCo
 * Smudger as Daisy
 * James as Mavis
 * Luke as Stepney
 * Skarloey as Emily
 * Derek as Bertie
 * Old Slow Coach as Salty
 * Isabel (from RWS) as Harvey
 * Lorry 2 & Lorry 3 as Arry & Bert
 * Whiff as Fergus
 * Emily as Skarloey
 * Flora as Rheneas
 * Rosie as Sir Handel
 * Tillie (from The Little Engine That Could) as Peter Sam
 * Georgia (from The Little Engine That Could) as Rusty
 * Elizabeth as Duncan
 * Catherine (from RWS) as Duke
 * Cora (from RWS) as Freddie
 * Annie & Clarabel as Mighty Mac
 * Murdoch as Arthur
 * Oliver as Lady
 * Judge Judy the Diesel (a fan-made character) as Diesel 10
 * Max & Monty as Splatter & Dodge
 * Marge (from The Simpsons) as Sir Topham Hatt
 * Toad as Terence
 * Hiro as Trevor
 * Terence as Toad
 * Bertie as Derek
 * The Spiteful Breakvan as Bulgy
 * Duncan as Elizabeth
 * Diesel as George
 * Arthur as Murdoch
 * Bulstrode as Spencer
 * Percy as Caroline
 * Hector as Cranky
 * Stanley/No. 2 (from RWS) as Scruffey
 * Captain Star (from Salty's Lighthouse) as Mr. Percival
 * Stafford as Harold
 * Sir Handel as Rosie
 * Daisy as Smudger
 * Spencer as Bulstrode
 * Bulgy as The Spiteful Breakvan
 * Henry as Isobella
 * D261, Arry and Bert as The Horrid Lorries
 * Lorry 1 as D261
 * Toby as Molly
 * Duck as Belle
 * Salty as Old Slow Coach
 * Mighty Mac as Annie & Clarabel
 * Rheneas as Flora
 * Edward as Madge
 * Trevor as Hiro
 * BoCo as Henrietta
 * Thomas as Millie
 * Flying Scotsman (from RWS) as Connor
 * Gordon as Caitlin