David Letterman Self - HostDavid Letterman was 67 in Late Show With David Letterman - Season 21 - Kid scientists, Sarah Silverman, We Are Scientists (Episode 76).
Birthday: Sat, Apr 12 1947
Paul Shaffer Self -Musical DirectorPaul Shaffer was 64 in Late Show With David Letterman - Season 21 - Kid scientists, Sarah Silverman, We Are Scientists (Episode 76).
Birthday: Mon, Nov 28 1949
Alan Kalter Self - Announcer (voice)Alan Kalter was >> in Late Show With David Letterman - Season 21 - Kid scientists, Sarah Silverman, We Are Scientists (Episode 76).
David Letterman
Paul Shaffer