Denzel Washington, Daniel Bouloud Greg Adams of The Tower of Power horn section sits in; Osama and his sidekick sing Christmas carols; Dave reads Daniel Boloud's cookbook. Details Casts Title Denzel Washington, Daniel Bouloud Genres Talk Comedy Release Date 2002-12-18 Episode Runtime 01 Hours 03 Minutes Season Number 10 Episode Number 61 Production Companies Worldwide Pants, CBS Entertainment Productions, CBS Productions, CBS Studios David Letterman Self - Host Paul Shaffer Self -Musical Director Alan Kalter Self - Announcer (voice)