Elle MacPherson, Jon Tenney, Elvis Costello & the Fairfield Four Dave shows (bogus) NASA footage of Mir; the Dutch Mariachis sing ""Happy Birthday"" to Biff. Details Casts Title Elle MacPherson, Jon Tenney, Elvis Costello & the Fairfield Four Genres Talk Comedy Release Date 1997-10-03 Episode Runtime 01 Hours 03 Minutes Season Number 5 Episode Number 21 Production Companies Worldwide Pants, CBS Entertainment Productions, CBS Productions, CBS Studios David Letterman Self - Host Paul Shaffer Self -Musical Director Alan Kalter Self - Announcer (voice)