Sarah Michelle Gellar, David Boreanaz & Alyson Hannigan - "American Dad" Animated Series - They will be guest stars
06.08.2011
Fox's Animation Domination lineup continues to rack up an impressive slate of guest stars ahead of their fall premieres. The Simpsons, set to air its 500th episode as part of its upcoming season, has booked Anthony Bourdain, Gordon Ramsay, Kiefer Sutherland (as a former CIA agent in the season premiere), Michael Cera (as a love interest for Lisa), Aron Ralston (for the franchise's annual "Treehouse of Horror" Halloween episode) and Jeremy Irons (as Moe's only friend) for Season 23.