Special Guest Stars Matt Damon as Carol Burnett Guest Stars Julia Louis-Dreyfus as Liz Lemon John Lutz as J.D. Lutz Sue Galloway as Sue LaRoche-Van der Hout Chris Parnell as Dr. Leo Spaceman Cheyenne Jackson as Jack "Danny" Baker Jon Hamm as Dr. Drew Baird Rachel Dratch as Jadwiga Bill Hader as Kevin