22 Season
4252 Episode
Late Show with David Letterman - Season 17 Episode 39 Ricky Gervais, Brian Regan, Ralph Stanley and the Clinch Mountain Boys (2015)
Ricky Gervais, Brian Regan, and Ralph Stanley are the scheduled guests.
- Country : United States of America
- Genre : Talk, Comedy
- Studio : CBS
- Director :
- Cast : David Letterman, Paul Shaffer, Alan Kalter