Upcoming Guests On The 'LATE SHOW with DAVID LETTERMAN' ON CBS

(*Denotes changes and/or additions to previous schedule

(n) Denotes new broadcast)

*Thursday, April 22 - Actor David Spade from the CBS comedy series "Rules of Engagement"; EPA Administrator Lisa P. Jackson; musical guests Broken Social Scene; a Top Ten List with New Orleans Saints Quarterback Drew Brees, the cover athlete for the "Madden NFL 11" video game (n)

Friday, April 23 - Actor Kelsey Grammer; comedian Jeff Altman; musical guests Hanson (n)

*Monday, April 26 - Self-help guru Dr. Phil McGraw; football commentator/former NFL coach Jon Gruden; musician David Sanborn; Tim Urban, the latest contestant voted off "American Idol" (n)

*Tuesday, April 27 - Musician Courtney Love; actor Michael Caine; musical guests Hole (n)

Wednesday, April 28 - Actor Robert Downey Jr.; musical guests Ok Go (n)

*Thursday, April 29 - Actress Gwyneth Paltrow; a performance from the Broadway musical "American Idiot" (n)

Friday, April 30 - Comedian Mike Birbiglia; musical guests The Hold Steady (n)

*Monday, May 3 - Actor Mickey Rourke; actor Jim Parsons from the CBS comedy series "The Big Bang Theory"; the latest contestant voted off "American Idol" (n)

Tuesday, May 4 - Actor Russell Crowe (n)

Wednesday, May 5 - Animal expert Jack Hanna; musical guest Willie Nelson (n)

RATING: TV-PG (Rating may change on day of broadcast due to specific subject matter.)

Official CBS website: http://www.cbs.com/late_night/late_show/