- David Letterman (Self - Host)
- Paul Shaffer (Self -Musical Director)
- Alan Kalter (Self - Announcer (voice))
Late Show with David Letterman — S12E14
Episode: Ray Romano, Avril Lavigne
Air Date: 2004-09-09
Overview
Biff spends the day at New York-Presbyterian Hospital with Dr. Lou Arrone; an educational segment with Alan and an animated rodent goes awry; Ray Romano talks about the final season of ""Everybody Loves Raymond;"" Avril Lavigne performs ""My Happy Ending.""