This is Daniel Adissi's (Benny) first experience as an actor. He had never even cast for anything before. He also helped composing some of the score of the movie, and wrote 3 songs for the soundtrack. He is also a photographer, and some of his work was used to decorate the apartments in the movie.
The movie went through an extensive editing period, having 20 different cuts.
The inspiration for the movie and the plot came from true events. Tania and Daniela characters were inspired by Sara Cohen (Salomon Askenazi's wife) and her first cousin and best friend (Also named Sara Cohen). Sara & Sara had such an intense relationship that Salomon thought about doing a movie portraying that union. And once, in a wedding, they tried to play the game of "wife switch" with no success. But it helped to inspire the script.
The dresses that the girls (Melissa Barrera and Anahi Davila) use in the wedding scenes, actually belong to Sara Cohen, the director's wife.
When Melissa Barrera (Daniela) came to the first casting, Salomon knew she was perfect for Daniela before she even started acting. Anahi Dávila (Tania) was chosen for the part almost 2 weeks into preproduction.