Monday through Friday, 11:35 PM-12:37 AM, ET/PT

(*Denotes changes and/or additions to previous schedule

(n) Denotes new broadcast)

Monday, July 23 Â Â Â Â Â Actor Will Ferrell; musical guest Rufus Wainwright (n)

Tuesday, July 24 Â Â Â Â Actor Zach Galifianakis; former U.S. Army Sgt. Valerie Brown; musical guest Allen Stone (n)

*Wednesday, July 25 Actor Jonah Hill; cardiothoracic surgery professor Dr. Leonard Girardi; musical guest Milo Greene (n)

*Thursday, July 26 Â Â Actor Joel McHale; comedian Andrew Norelli; musical guest will.i.am (n)

Friday, July 27 Â Â Â Â Â Â Radio show host Howard Stern; musical guests Airborne Toxic Event

*Monday, July 30 Â Â Animal expert Jack Hanna; musical guest Patti Smith; musician Bootsy Collins sits in with Paul Shaffer and the CBS Orchestra

*Tuesday, July 31 Â Â Â Actress Emma Stone; comedian Jimmie Walker; musical guests Diamond Rugs

*Wednesday, Aug. 1 Musician Justin Bieber; comedian Michael Ian Black

*Thursday, Aug. 2 Â Â Miami Heat star LeBron James; actor Andrew Garfield; musical guests Maroon 5

*Friday, Aug. 3 Â Â Â Â Â Actress Jane Fonda; Mayor of London Boris Johnson; musical guest Jimmy Cliff

*Monday, Aug. 6 Â Â Actor Channing Tatum; â€œCBS Evening Newsâ€ Anchor and Managing Editor Scott Pelley; musical guests The Gaslight Anthem

*Tuesday, Aug. 7 Â Â Â Actor Bryan Cranston; New York Mets pitcher R.A. Dickey; musical guests Zac Brown Band

*Wednesday, Aug. 8 Actress Amy Poehler; talk show host Wendy Williams; musical guests Trampled by Turtles

*Thursday, Aug. 9 Â Â Actor Ray Romano; musical guest Tom Waits

*Friday, Aug. 10 Â Â Â Â Actress Blake Lively; New Orleans Saints quarterback Drew Brees

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