Thomas/Pleasant Goat and Big Big Wolf

Version 1 (by Hex the Tank Engine 18)

 * Thomas as Weslie
 * Percy as Paddi
 * Rosie as Tibbie
 * James as Sparky
 * Toby as Mr. Slowy
 * Emily as Jonie
 * Diesel as Wolffy
 * Mavis as Wolnie
 * (I don't know yet!) as Weslie's pet
 * The mail coach as Eggie
 * (I don't know yet) as Tin Tin
 * (I don't know yet!) as Hittie
 * (I don't know yet!) as Jojo

Version 2 (by Elias)

 * Thomas as Weslie
 * (I don't know yet!) as Paddi
 * Emily or Rosie as Tibbie
 * James or Henry as Sparky
 * Toby, Edward, or Sir Topham Hatt as Mr. Slowy
 * Mavis as Jonie
 * Diesel or Diesel 10 as Wolffy
 * Frankie as Wolnie
 * (I don't know yet!) as Weslie's pet
 * The mail coach as Eggie
 * (I don't know yet!) as Tin Tin
 * Two red Branch Line coaches as Hittie
 * (I don't know yet!) as Jojo