Caro Domenech and Simón Hempe were a couple in real life.
This is the first credited television role for Manuela Menendez, Tatu Glikman, Manuel Ramos, Abril Suliansky, Emilia Mernes, Simón Hempe and Franco Piffaretti.
In S1:E3 The Moment, when Allegra is in the past - in the album store - you can see Star Wars action figures in the counter where the cash machine is (from Star Wars: Episode VII The Force Awakens of 2015)