Guest Stars for Season 19

Even with the massive hype surrounding The Simpsons Movie, we haven't forgotten that the television show is still ongoing.A list of celebrities starring in upcoming episodes was released recently.Jack Black, Lionel Richie, Placido Domingo, Topher Grace, Steve Buscemi, Jon Stewart, Dan Rather and 'Frasier' trio Kelsey Grammer, David Hyde Pierce and John Mahoney will all be lending their voices to the show.The new series of The Simpsons starts on 23 September.