The people who do the regular voices are :

Dan Castellaneta

Dan Castellaneta does the voices of Homer, grandpa, Krusty The Clown, Groundskeeper Willy, Barney Gumble, Hans Moleman, Sideshow Mel, Mayor Quimby Bumblebee Man, Captain Lance Murdock, Arnie Pie and Bill Pie "in the sky", ... Click Here to read an interview with Dan and to see more pictures

Julie Kavner

Julie does the voices of Marge, Selma and Patty, Grandma Jackie Bouvier.

Matt Groening

He does the sucking of Maggie.

Nancy Cartwright

She(!) does the voices of Bart, Nelson Muntz, Todd Flanders, ... (She first participated for the voice of Lisa)

Yeardley Smith

She does the voice of Lisa. (She first participated for the voice of Bart) Click Here to read an interview with Yeardley and to see more pictures

Harry Shearer

He does the voices of Charles Montgomery Burns, Wayland Smithers, Principal Skinner, Mr. Largo, Otto, Jasper, Herman, Ned Flanders, Kent Brockman, Rev. Lovejoy, God, Satan, McBain, Dr. Hibbert, Dr. Marvin Monroe, ...

Hank Azaria

He does the voices of Superintendent Chalmers, Mr. Van Houten, Chief Wiggum, Moe, Apu, Snake, Dr. Nick Riviera, John Frink.