Principal Skinner/Thomas

Cast

 * Principal Skinner as Thomas
 * Grandpa Abe as Edward
 * Milhouse as Henry
 * Superintendent Chalmers as Gordon
 * Groundskeeper Willy as James
 * Barney Gumble as Percy
 * Kent Brockman as Toby
 * Ned Flanders as Duck
 * Rod Flanders as Donald
 * Todd Flanders as Douglas
 * Mr. Smithers as Oliver
 * Sideshow Bob as Diesel
 * Lenny as Bill
 * Carl as Ben
 * Rainer Wolfcastle as BoCo
 * Agnes Skinner as Daisy
 * Maude Flanders as Mavis
 * Martin Prince as Stepney
 * Edna Krabappel as Emily
 * Yes Guy as Bertie
 * Ralph Wiggum as Salty
 * Reverend Lovejoy as Harvey
 * Kearney as Arry
 * Dolph as Bert
 * Chief Wiggum as Fergus
 * Big Mac (from TUGS) as Skarloey
 * Warrior (from TUGS) as Rheneas
 * Bluenose (from TUGS) as Sir Handel
 * Lord Stinker (from TUGS) as Peter Sam
 * Blankton (from Theodore Tugboat) as Rusty
 * Guysborough (from Theodore Tugboat) as Duncan
 * OJ (from TUGS) as Duke
 * Hercules (from TUGS) as Freddie
 * Frank & Eddie (from TUGS) as Mighty Mac
 * Dr. Marvin as Arthur
 * Brandine as Lady
 * Lyle Lanley as Diesel 10
 * Legs as Splatter
 * Louie as Dodge
 * Homer as Sir Topham Hatt
 * Marge as Lady Hatt
 * Professor Frinks as Terence
 * Apu as Trevor
 * John as Toad
 * Russ Cargill as Bulgy
 * Jacqueline Bouvier as Elizabeth
 * Artie Ziff as George
 * Bleeding Gums Murphy as Murdoch
 * Mr. Burns as Spencer
 * Krusty the Clown as Cranky
 * Ten Cents (from TUGS) as Mr. Percival
 * Allison Taylor as Rosie
 * Nantucket (from TUGS) as Smudger
 * Snake Jailbird as Bulstrode
 * Gordon (from TTTE) as Jack
 * Henry (from TTTE) as Alfie
 * Arthur (from TTTE) as Oliver (Pack)
 * Splatter (from TTTE) as Max
 * Dodge (from TTTE) as Monty
 * Victor (from TTTE) as Kelly
 * Spencer (from TTTE) as Byron
 * Whiff (from TTTE) as Ned
 * Madge (from TTTE) as Isobella
 * Toby (from TTTE) as Nelson
 * Duncan (from TTTE) as Patrick
 * Edward (from TTTE) as Buster
 * Comic Book Guy as D261
 * Bumblebee Man as Whiff
 * Dr. Hibbert as Hank
 * Bart as Neville
 * Hans Moleman as Hiro
 * Lou as Victor
 * Eddie as Kevin