- David Letterman (Self - Host)
- Paul Shaffer (Self - Musical Director)
- Alan Kalter (Self - Announcer)
Late Show with David Letterman — S20E68
Episode: Jack Hanna; Benedict Cumberbatch
Air Date: 2013-05-09
Overview
Animal expert Jack Hanna; from "Star Trek: Into Darkness", actor Benedict Cumberbatch.