Photos: 'Simpsons' voice actors and their characters Harry Shearer is just one of the many "Simpsons" voices -- who creates many more "Simpsons" voices. He does Mr. Burns, Waylon Smithers, Ned Flanders and Principal Skinner. Click through for more of the other members of the show's cast. Hide Caption 1 of 12

Photos: 'Simpsons' voice actors and their characters Dan Castellaneta supplies the voices of Homer Simpson, Barney Gumble, Grampa Simpson and Mayor Quimby, not to mention Krusty the Klown and Groundskeeper Willie. Hide Caption 2 of 12

Photos: 'Simpsons' voice actors and their characters Julie Kavner is Marge Simpson and Marge's sisters, the scourges of the Springfield DMV, Patty and Selma Bouvier. Hide Caption 3 of 12

Photos: 'Simpsons' voice actors and their characters Nancy Cartwright gives voice to Bart Simpson, Nelson Muntz and Ralph Wiggum, as well as others. Hide Caption 4 of 12

Photos: 'Simpsons' voice actors and their characters Yeardley Smith supplies the voice of Lisa Simpson. Hide Caption 5 of 12

Photos: 'Simpsons' voice actors and their characters Where would "The Simpsons" be without Hank Azaria? The versatile voice actor does Apu, Comic Book Guy, Chief Wiggum and Moe -- as well as Dr. Nick, Snake Jailbird and the always entertaining Bumblebee Man. Hide Caption 6 of 12

Photos: 'Simpsons' voice actors and their characters Pamela Hayden gives voice to two boys on opposite ends of the charm spectrum: Milhouse Van Houten and Jimbo Jones. She's also the person behind Rod Flanders, Janey Powell and Malibu Stacy. Hide Caption 7 of 12

Photos: 'Simpsons' voice actors and their characters Tress MacNeille's characters include Crazy Cat Lady and Dolph Starbeam. Hide Caption 8 of 12

Photos: 'Simpsons' voice actors and their characters Maggie Roswell is the voice of Milhouse's mother, Luann, as well as such figures as Helen Lovejoy and the late Maude Flanders. Hide Caption 9 of 12

Photos: 'Simpsons' voice actors and their characters The urbane tones of Kelsey Grammer provide the wit and glory of Sideshow Bob, who's been known to sing a Gilbert & Sullivan operetta or two. Hide Caption 10 of 12

Photos: 'Simpsons' voice actors and their characters Joe Montegna drops by "The Simpsons" to do the voice of occasional character Fat Tony. Hide Caption 11 of 12