- David Letterman (Self - Host)
- Paul Shaffer (Self - Musical Director)
- Alan Kalter (Self - Announcer)
Late Show with David Letterman — S19E152
Episode: Ricky Gervais; Simon Helberg; Ty Segall
Air Date: 2012-11-05
Overview
From "The Big Bang Theory," actor Simon Helberg; actor/comic Ricky Gervais; musical guest Ty Segall.