Meaning of episode's title: in a meal, the "Digestivo", meaning: the Digestif, is a sweet or bitter alcoholic drink (alcohol percentage changes in different types) meant to be drunk after the meal. In most cases, the drink is effective and aids the digesting process (hence its name).
At about 28 minutes in Mason Verger asks Margot if Alana Bloom's hips are "roomy" with just about the exact inflection that Hannibal Lecter describes the victims of Buffalo Bill as in The Silence of the Lambs.
Laurence Fishburne (Jack Crawford) and Tao Okamoto (Chiyoh) costar again in Batman v Superman: Dawn of Justice (2016), as Perry White and Mercy Graves.