Alec Baldwin, George Clooney, Billy Crystal, Robert Downey, Jr., Will Ferrell, Tina Fey, Michael J. Fox, Tom Hanks, Jack Hanna, Kevin James, Scarlett Johansson, Michael Keaton, Steve Martin, Bill Murray, Sarah Jessica Parker, Don Rickles, Julia Roberts, Ray Romano, Paul Rudd, Jerry Seinfeld, Martin Short, Howard Stern, John Travolta, Bruce Willis, Oprah Winfrey, Elvis Costello, Dave Matthews Band, John Mayer, Mumford and Sons and Tom Waits have all been confirmed to take the stage at the Ed Sullivan Theater with Dave one last time.