- David Letterman (Self - Host)
- Paul Shaffer (Self -Musical Director)
- Alan Kalter (Self - Announcer (voice))
Late Show with David Letterman — S19E13
Episode: Kathy Griffin, Simon Helberg, Joseph Arthur
Air Date: 2012-01-19
Overview
Dave welcomes comedian Kathy Griffin, actor Simon Helberg from the CBS comedy series "The Big Bang Theory," and musical guest Joseph Aurthur.