Matt Groening Creator, Executive Producer Dan Castellaneta Homer Jay Simpson, Barney Gumble, Grampa Simpson, Mayor Joe Quimby, Krusty the Klown, Groundskeeper Willie Voice Julie Kavner Marjorie Bouvier Simpson, Patty Bouvier, Selma Bouvier, Grandma Jackie Bouvier Voice Nancy Cartwright Bartholomew Jo-Jo "Bart" Simpson, Nelson Muntz Voice Yeardley Smith Lisa Marie Simpson Voice Hank Azaria Moe Szyslak, Apu Nahasapeemapetilon, Chief Clancy Wiggum, Dr. Nick Riviera Voice Harry Shearer Charles Montgomery Burns, Waylon Smithers, Principal Seymour Skinner, Ned Flanders, Otto Mann, Scratchy, Kent Brockman, Reverend Timothy Lovejoy Voice Tress MacNeille Dolph Voice Pamela Hayden Milhouse Van Houten Voice Conan O'Brien Himself Guest Voice John Cena Himself Guest Voice Joel McHale Himself Guest Voice Danny DeVito Herb Powell Guest Voice Tom Hanks Himself Guest Voice James L. Brooks Executive Producer Al Jean Executive Producer Matt Selman Executive Producer Jessica Conrad Writer Rob Oliver Director