- David Letterman (Self - Host)
- Paul Shaffer (Self -Musical Director)
- Alan Kalter (Self - Announcer (voice))
Late Show with David Letterman — S18E85
Episode: Neil Patrick Harris, Mike Birbiglia, Neil Peart
Air Date: 2011-06-09
Overview
Dave welcomes actor Neil Patrick Harris of CBS' "How I Met Your Mother," comic Mike Birbiglia and drummer Neil Peart performs.