Bart Simpson/Thomas

Cast

 * Bart Simpson as Thomas
 * Great-Grandpa Orville Simpson as Edward
 * Principal Seymour Skinner as Henry
 * Dr. Julius Hibbert as Gordon
 * Groundhousekeeper Willie as James
 * Ralph Wiggum as Percy
 * Moe Szyslak as Toby
 * Homer Simpson as Duck
 * Rod and Todd Flanders as Donald and Douglas