Jonah Hill, Kristen Johnston, Ryan Adams Late Show with David Letterman : Season 18 Episode 168
TV-PG CBS 1h 00m int(0)
Aired: July 21st, 2011 @ 7:00 PM EST on CBS
Dave welcomes actor Jonah Hill, actress Kristen Johnston, and musical guest Ryan Adams. Do all celebrities know each other? Jonah's mom thinks so. Kristen tells Dave about her drug problem.