Winfrey, Travolta, Clooney to be among Letterman's last 'Late Show' guests

NEW YORK, April 13 (UPI) -- George Clooney, Julia Roberts, John Travolta and Oprah Winfrey are among the stars slated to appear on the final episodes of Late Show with David Letterman, CBS announced Monday.

Also booked as guests during the last six weeks of Letterman's tenure are Robert Downey, Jr., Will Ferrell, Tina Fey, Tom Hanks, Jack Hanna, Scarlett Johansson, Michael Keaton, Steve Martin, Bill Murray, Sarah Jessica Parker, Don Rickles, Ray Romano, Paul Rudd, Jerry Seinfeld, Martin Short, Howard Stern, Bruce Willis, The Avett Brothers and Brandi Carlile, Elvis Costello, Dave Matthews Band, Emmylou Harris, Norah Jones, Mumford and Sons, Ralph Stanley and Amos Lee. Others are to be announced in the coming weeks.

Letterman, 68, is the longest-running host in U.S. late-night history, with a combined 33 years as star of NBC's Late Night, then CBS' Late Show. His final edition of Late Show is to air May 20. Stephen Colbert is then to take over as host of the program.