18x20 Stop or My Dog Will Shoot!

TV-PG

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)

Stephen Hawking

Stephen Hawking (voice)

Rudolph Giuliani

Russi Taylor

Maurice LaMarche

Army recruiter 2, Billy, others characters (voice)

Marcia Wallace

Edna Krabappel (voice)