06/15/2009 05:12 am ET | Updated May 25, 2011

Ron Howard Does Letterman Top Ten (VIDEO)

Ron Howard made a cameo on Thursday night's "Late Show" to read a Top 10 list - and promote his 'Angels & Demons.'

Reading "Top Ten Things You Don't Want To Hear From Your Director," Howard hammed it up for items like, "Number 5: I'm Drunk."