David Letterman Self - HostDavid Letterman was 59 in Late Show With David Letterman - Season 13 - Derek Jeter, Michelle Monghan, Barnum & Bailey Circus (Episode 138).
Birthday: Sat, Apr 12 1947
Paul Shaffer Self -Musical DirectorPaul Shaffer was 56 in Late Show With David Letterman - Season 13 - Derek Jeter, Michelle Monghan, Barnum & Bailey Circus (Episode 138).
Birthday: Mon, Nov 28 1949
Alan Kalter Self - Announcer (voice)Alan Kalter was >> in Late Show With David Letterman - Season 13 - Derek Jeter, Michelle Monghan, Barnum & Bailey Circus (Episode 138).
David Letterman
Paul Shaffer