David Letterman has named the guests for his final 28 shows.

The late-night vet will sign off on May 20th, but before then he'll sit down with Bill Murray,George Clooney, Steve Martin, Jerry Seinfeld, Robert Downey Junior, Will Ferrell, Tina Fey, Tom Hanks, Scarlett Johansson, Sarah Jessica Parker, Don Rickles, Julia Roberts, Ray Romano, Howard Stern, Oprah Winfrey, Martin Short, John Travolta, Michael J. Fox and Alec Baldwin.

Musical guests will include Elvis Costello, Dave Matthews Band, Mumford and Sons, Norah Jones, Amos Lee and Tracy Chapman.

More guests will be announced soon.

Who'll join Dave for his last show is still under wraps. (People)

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