Guest Stars Jack Black as Himself Emilia Clarke as Herself Rose Leslie as Herself Christian Slater as Himself Kyle MacLachlan as Himself Jennifer Aniston as Herself Peter Dinklage as Himself Reese Witherspoon as Herself Michelle Rodriguez as Herself Neil Patrick Harris as Himself Jodie Foster as Herself Diana Rigg as Herself Jimmy Fallon as Himself Matt LeBlanc as Himself Andy Cohen as Himself Kellan Lutz as Himself Alfie Allen as Himself Kit Harington as Himself Nikolaj Coster-Waldau as Himself Helen Mirren as Herself Julia Roberts as Herself Will Ferrell as Himself Mark Addy as Himself Gwyneth Paltrow as Herself Richard Gere as Himself Josh Groban as Himself Ed Sheeran as Himself Al Roker as Himself