Who's On What Tonight? Your Guide to Late Night TV (Monday, Aug. 6, 2012)

CONAN O'BRIEN: Modern Family's Eric Stonestreet, Lost's Dominic Monaghan, singer Norah Jones
DAVID LETTERMAN: REPEAT
JAY LENO: NO EPISODE
JIMMY KIMMEL: REPEAT
JIMMY FALLON: NO EPISODE
CRAIG FERGUSON: Author Stephen King, humorist Dave Barry, music group the Rock Bottom Remainders

Guest lineups are subject to change.

SOURCE: The Late Night TV Page