Scooby-Doo and the Ghostly Trick/Little Bill

Cast

 * Scooby-Doo as Little Bill
 * Shaggy as Bobby
 * Daphne as April
 * Fred as Big Bill
 * Velma as Brenda
 * The Door as Alice the Great
 * Draped Shaggy as Andrew
 * Colin as Mr. Rojas
 * The Villains as Glovers
 * Man in the Mirror as Uncle Gary
 * Classical Woman as Aunt Deborah
 * Eddie (from Jimmy Neutron) as Baby Jamal
 * Loch Ness Monster as Miss Murray
 * Uncle William as Bill Cosby
 * Fat Terry as Michael
 * and more