David Letterman is getting a star-studded send-off in his last month as host of CBS' Late Show.
George Clooney, Billy Crystal, Robert Downey, Jr., Tina Fey, Michael J. Fox, Tom Hanks, Scarlett Johansson, Steve Martin, Bill Murray, Sarah Jessica Parker, Don Rickles, Julia Roberts, Jerry Seinfeld, Howard Stern, John Travolta and Oprah Winfrey are just some of the guests lined up for the final 28 Letterman-hosted shows.
Among the musical guests scheduled to perform are Elvis Costello, Dave Matthews Band, John Mayer, Mumford and Sons and Tom Waits.
The final Late Show broadcast is Wednesday, May 20. Stephen Colbert will take over as host Sept. 8.