- David Letterman (Self - Host)
- Paul Shaffer (Self -Musical Director)
- Alan Kalter (Self - Announcer (voice))
Episode: Tom Arnold, David Brenner, Catherine Bell
Air Date: 1999-02-02
Dave mentions that through the wonders of science, Paul Shaffer had another baby over the weekend, and then introduces Bernard Shaffer in the green room; during ""Who Asked For It?"", an audience member demands to see something related to Groundhog Day, so ""a groundhog"" (Gerard) walks onstage and harasses Dave; Catherine Bell promotes J.A.G.