These Are David Letterman's Final 'Late Show' Guests

April 13, 2015 5:57 PM EDT

If David Letterman‘s only goal for his final weeks as Late Show host is to welcome a galaxy of A-list stars, he has more than succeeded.

George Clooney, Julia Roberts, Robert Downey Jr., Tom Hanks and Oprah Winfrey are just a few of the top-liners sending off Letterman after more than 20 years behind the desk at the Ed Sullivan Theater.

On Monday, the host announced which celebrities will be appearing on his final 28 broadcasts of the Late Show, airing on CBS over the next month and a half in advance of the show’s grand finale on May 20.

This week’s guests will include Sarah Jessica Parker, 2015 Masters winner Jordan Spieth, Billy Crystal, The Talk and Big Brother host Julie Chen, Michael J. Fox, Amy Sedaris, Kevin James, comedian Tom Dreesen and Alec Baldwin. Asleep at the Wheel, Chris Stapleton, Iron & Wine with Ben Bridwell, Tracy Chapman and John Mayer will serve as the week’s musical guests.

Other guests for the remaining episodes will include Will Ferrell, Tina Fey, Jack Hanna, Scarlett Johansson, Michael Keaton, Steve Martin, Bill Murray, Don Rickles, Ray Romano, Paul Rudd, Jerry Seinfeld, Martin Short, Howard Stern, John Travolta and Bruce Willis. Musical guests will include The Avett Brothers with Brandi Carlile, Elvis Costello, Dave Matthews Band, Emmylou Harris,Norah Jones, Mumford and Sons, Ralph Stanley and Amos Lee.

With 33 years’ experience, Letterman, 68, holds the record for longest-running late-night host in history. Stephen Colbert will take over for Letterman when he leaves the Late Show in May.

Late Show with David Letterman airs weeknights (11:35 p.m. ET) on CBS.

This article originally appeared on People.com.

Photos: David Letterman’s Early Career

One of David Letterman's earliest roles before he made it as a television host was as a guest star on Mork & Mindy.CBS/Getty Images

Before he received his own show, Letterman was a regular guest host for *The Tonight Show Starring Johnny Carson*. Above, he is seen interviewing Betty White.Paul Drinkwater—NBC/Getty Images

Truma Capote and David Letterman on the David Letterman show. — In 1980, Letterman finally got his own morning comedy show, *The David Letterman Show*. Above, he is seen interviewing Truman Capote.Time & Life Pictures/Getty Images

Late Night with David Letterman — After the cancellation of his morning show, Letterman was given a new show and time slot, *Late Night With David Letterman* which immediately followed *The Tonight Show Starring Johnny Carson*. The first version of the *Late Night* franchise, debuted on February 1, 1982 and would eventually be succeeded by Conan O’Brien, seen above.Al Levine—NBC/Getty Images

Ed Sullivan Theater which is owned by CBS has the Late Show — Letterman left NBC for CBS to start the *Late Show with David Letterman* when NBC gave the reigns of *The Tonight Show* to Jay Leno instead of him after Johnny Carson's retirement. The first show debuted on August 30, 1993, with Letterman's retirement announced for 2015.New York Daily News Archive/Getty Images

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These Are David Letterman’s Final Late Show Guests

Photos: David Letterman’s Early Career

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