Special Guest Stars Chris Parnell as Dr. Leo Spaceman Will Arnett as Devon Banks Rip Torn as Don Geiss Co Starring Kevin Brown as Walter "Dot Com" Slattery John Lutz as J.D. Lutz Grizz Chapman as Warren "Grizz" Griswold Marceline Hugot as Kathy Geiss Brian Stack as Howard Tom Toner as Stan Uncredited Max Bunzel as Bartender