- David Letterman (Self - Host)
- Paul Shaffer (Self -Musical Director)
- Alan Kalter (Self - Announcer (voice))
Late Show with David Letterman — S15E149
Episode: Will Ferrell, Adam Savage & Jamie Hyneman
Air Date: 2008-07-21
Overview
Will Ferrell, Adam Savage, and Jamie Hyneman are the scheduled guests.