Plot: From "NCIS", actor Mark Harmon; from "Inside Amy Schumer", comedienne Amy Schumer; musical guest Luke Bryan.

Late Show With David Letterman - Season 20 - Mark Harmon; Amy Schumer; Luke Bryan (Episode 70)
Episode Aired On:
Monday, May 13 2013
12 years ago
Monday, May 13 2013
12 years ago