Scooby-Doo/Dexter's Laboratory

Cast

 * Scooby Doo as Dexter
 * Daphne as Dee Dee
 * Velma as Dexter's Mom
 * Shaggy as Dexter's Dad
 * Fred as Tall Dexter
 * Villains as Mandark
 * Scrappy Doo as Dexter's Monkey