Allison Williams was fitted with a barrier made of Spanx shaping underwear and menstrual pads for the scene where Ebon Moss-Bachrach performs anilingus on her. Williams also had the makeup artist apply a generous amount of vanilla cream to her.
When Shoshanna is talking to Adam, she mentions two actors, Armie Hammer and Zachary Quinto. Quinto guest stars on the show 6 episodes later as Jessa's love interest, Ace.