- David Letterman (Self - Host)
- Paul Shaffer (Self -Musical Director)
- Alan Kalter (Self - Announcer (voice))
Late Show with David Letterman — S17E48
Episode: Stephen Colbert, Emily Blunt, John Mayer
Air Date: 2009-11-19
Overview
Stephen Colbert, Emily Blunt, and John Mayer are the scheduled guests.