Letterman guests: 17 - 25 May 2012

17/05 News anchor Brian Williams; musical guests El-P

21/05 Late night talk show host Conan O’Brien; musical guest Regina Spektor; musician John Mayer sits in with Paul Shaffer & the CBS Orchestra

22/05 Actor Sacha Baron Cohen; Julie Chen, co-host of the CBS daytime talk show “The Talk”; musical guests Beach House

23/05 Actress Lea Michele; director Barry Sonnenfeld

24/05 Actor Will Smith; musical guests The Gossip

25/05 Piedmont Bird Callers; talk show host Bill O’Reilly; musical guest Pitbull