Dennis Leary, Sam Easterson Dave has difficulty explaining to Paul what exactly animal photographer Sam Easterson does; Dave shows another out-of-focus clip from the Olympics; Denis Leary promotes the FX hit drama ""Rescue Me."" Details Casts Title Dennis Leary, Sam Easterson Genres Talk Comedy Release Date 2004-08-24 Episode Runtime 01 Hours 03 Minutes Season Number 12 Episode Number 2 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)