Bumblebee Man/Thomas


 * Bumblebee Man as Thomas
 * Professor Frink as Edward
 * Homer as Henry
 * Groundskeeper Willy as Gordon
 * Mr. Smithers as Percy
 * Dr. Marvin as Toby
 * Frank Grimes jr. as Diesel
 * Brandine as Mavis
 * Sheleys Father as Arry
 * Arrie Ziff as Bert
 * Bart as Fergus
 * Wendell as Rheneas
 * Principal Skinner as Duncan
 * Dr. Hibbert as Arthur
 * Allison Taylor as Lady
 * Sideshow Bob as Diesel 10
 * Ned Flanders as Trevor
 * Barney Gumble as Toad
 * Mr. Burns as Scruffy