Lisa's essay wins the Simpsons a trip to Washington, D.C., where her faith in democracy is shaken by her unethical Congressman.
Dan Castellaneta
Homer Simpson / Abe Simpson / Barney Gumble / Krusty (voice)
Julie Kavner
Marge Simpson / Patty Bouvier / Selma Bouvier (voice)
Nancy Cartwright
Bart Simpson / Nelson Muntz / Ralph Wiggum (voice)
Yeardley Smith
Lisa Simpson (voice)
Hank Azaria
Moe Szyslak / Chief Wiggum / Apu / Comic Book Guy / Carl (voice)
Harry Shearer
Ned Flanders / Mr. Burns / Smithers / Skinner / Lenny (voice)
Lona Williams
Truong Van Dinh (voice)
Jo Ann Harris
Minnesota Girl / Maria Dominguez / Paper Boy (voice)
Pamela Hayden
Bob Arnold's Secretary / Woman #1 at Lincoln Memorial (voice)
Tress MacNeille
Alabama Boy (voice)
Maggie Roswell
Judge / Faith Crowley / Barbara Bush (voice)