Theo the Experimental Traction Engine and Friends

Cast

 * Theo as Thomas
 * Merlin as Edward
 * Toby as Henry
 * Merlin as Gordon
 * Stepney as James
 * Fergus as Percy
 * Henry as Toby
 * Duke as Duck
 * Sir Handel and Peter Sam as Donald and Douglas
 * Bertram as Oliver
 * Hurricane as Diesel
 * Skarloey and Rheneas as Bill and Ben
 * Rusty as BoCo
 * Frankie as Daisy
 * Emily as Mavis
 * James as Stepney
 * Mavis as Emily
 * Trevor as Bertie
 * Victor as Salty
 * Kevin as Harvey
 * Smudger and Stanley/No. 2 as Arry and Bert
 * Percy as Fergus
 * Bill as Skarloey
 * Ben as Rheneas
 * Donald as Sir Handel
 * Douglas as Peter Sam
 * BoCo as Rusty
 * Derek as Duncan
 * Duck as Duke
 * Ferdinand as Freddie
 * Bash and Dash as Mighty Mac