Who's On What Tonight? Your Guide to Late-Night TV (Wednesday, Oct. 24, 2012)

CONAN O'BRIEN: The Office's Rainn Wilson, Happy Endings' Elisha Cuthbert, music group Two Door Cinema Club
DAVID LETTERMAN: FOX New's Bill O'Reilly, Jersey Shore's Snooki, music group The Lumineers
JAY LENO: President Barack Obama, music group No Doubt

JIMMY KIMMEL: Rocker Axl Rose, Suburgatory's Ana Gasteyer, music group The Whigs

JIMMY FALLON: Musician Rod Stewart, Once Upon a Time's Jennifer Morrison, comedian Chris D'Elia
CRAIG FERGUSON: Cloud Atlas' Susan Sarandon, Game of Thrones showrunner David Benioff, Thomas Dale

Guest lineups are subject to change.

SOURCE: The Late Night TV Page