Special Guest Stars Marcia Wallace voices Edna Krabappel Phil Hartman voices Troy McClure Phil Hartman voices Lionel Hutz Phil Hartman voices Commercial Announcer #2 Guest Stars Pamela Hayden voices Milhouse Van Houten Pamela Hayden voices Martin Prince Maggie Roswell voices Ms. Hoover Maggie Roswell voices Maude Flanders Maggie Roswell voices Judge Pamela Hayden voices Child at Science Fair Maggie Roswell voices Mrs. Phillips Maggie Roswell voices Screaming Woman Maggie Roswell voices Woman at Science Fair