Guest Stars Barbara Walters as Herself Alec Baldwin as Himself Bill Murray as Himself Jerry Seinfeld as Himself Steve Martin as Himself Jim Carrey as Himself Chris Rock as Himself Julia Louis-Dreyfus as Herself Barack Obama as Himself Peyton Manning as Himself George W. Bush as Himself Dan Castellaneta as Homer Simpson Julie Kavner as Marge Simpson Tina Fey as Herself Pat Sajak as Himself George H.W. Bush as Himself Bill Clinton as Himself