Special Guest Stars Chris Parnell as Dr. Leo Spaceman Will Forte as Paul L'Astnamé Kristen Schaal as Hazel Wassername Amy Poehler as Young Liz Jimmy Fallon as Young Jack Chris Parnell voices The Lovebirds Announcer Fred Armisen as Telethon Woman Fred Armisen as Frank Stand-In Jon Hamm as David Brinkley Jon Hamm as Abner Kristen Schaal as The Joey Montero Show Dancer Chris Parnell as Dr. Heinrich Spaceman Paul McCartney as Himself Guest Stars Sue Galloway as Sue LaRoche-Van der Hout Cheyenne Jackson as Jack "Danny" Baker Sue Galloway as The Joey Montero Show Dancer Uncredited Donald Glover as Young Tracy Jane Krakowski as Dusty Springfield Tina Fey as Jamie Garnett Tina Fey as The Gruber Brother and Nipsey Actor Tina Fey as Loretta Fields/Doris Katrina Bowden as The Gruber Brother and Nipsey Dancer Katrina Bowden as The Joey Montero Show Dancer Alec Baldwin as Joey Montero Alec Baldwin as Richard Nixon Alec Baldwin as Chet Huntley Alec Baldwin as Cubby Gilmore/Larry Tracy Morgan as Theodore Freeman/Alfie Tracy Morgan as Nipsey John Lutz as Streaker #2 Judah Friedlander as Streaker #1 Scott Adsit as Dicky Jack McBrayer as 1969 NBC News Assistant