Special Guest Stars Wil Wheaton as Himself Laurie Metcalf as Mary Cooper Kathy Bates as Mrs. Fowler Mark Hamill as Himself Guest Stars John Ross Bowie as Barry Kripke Brian Posehn as Bertram "Bert" Kibbler Lauren Lapkus as Denise Jerry O'Connell as Georgie Cooper Teller as Mr. Larry Fowler Courtney Henggeler as Missy Cooper