Who's On What Tonight? Your Guide to Late Night TV (Tuesday, July 17, 2012)

CONAN O'BRIEN: Wilfred's Elijah Wood, mixologist Claire Smith, singer Kip Moore
DAVID LETTERMAN: Green Party reject Roseanne Barr, Safety Not Guaranteed's Aubrey Plaza, music group JEFF the Brotherhood
JAY LENO: Total Recall's Kate Beckinsale, The Man Show's Adam Carolla
JIMMY KIMMEL: John Carter's Thomas Haden Church, The Newsroom's Olivia Munn, musician Matisyahu
JIMMY FALLON: Supermodel Heidi Klum, Glee's Chris Colfer, music group Best Coast
CRAIG FERGUSON: Madagascar 3: Europe's Most Wanted's Cedric the Entertainer, actress Ari Graynor

Guest lineups are subject to change.

SOURCE: The Late Night TV Page