David Letterman Self - HostDavid Letterman was 61 in Late Show With David Letterman - Season 15 - Mary-Kate Olsen, Jim Gaffigan, Gavin DeGraw (Episode 142).
Birthday: Sat, Apr 12 1947
Paul Shaffer Self -Musical DirectorPaul Shaffer was 58 in Late Show With David Letterman - Season 15 - Mary-Kate Olsen, Jim Gaffigan, Gavin DeGraw (Episode 142).
Birthday: Mon, Nov 28 1949
Alan Kalter Self - Announcer (voice)Alan Kalter was >> in Late Show With David Letterman - Season 15 - Mary-Kate Olsen, Jim Gaffigan, Gavin DeGraw (Episode 142).
David Letterman
Paul Shaffer