Who's On What Tonight? Your Guide to Late Night TV (Thursday, August 30, 2012)

CONAN O'BRIEN: The Closer's Kyra Sedgwick, Sleepwalk with Me's Mike Birbiglia, Derrick Comedy's Dominic Dierkes
DAVID LETTERMAN: Looper's Bruce Willis, comedian Brian Regan, music group the Heavy
JAY LENO: NBC News' Savannah Guthrie, The Expendables 2's Dolph Lundgren
JIMMY KIMMEL: REPEAT
JIMMY FALLON: REPEAT
CRAIG FERGUSON: Web Therapy's Lisa Kudrow

Guest lineups are subject to change.

SOURCE: The Late Night TV Page