Colombian singer Maluma was consider for the role of Hache.
Argentinian actors Brenda Asnicar (Juana/Nieves), Macarena Achiaga (Rocio) and Mauro Mauad (Ismael) had to use a neutral Spanish accent for their roles.
Brenda Asnicar had to learn mandarin Chinese for her role of Juana.
Brenda Asnicar signed up for her role of Juana / Nieves, just a few days before production began.
Although they portrayed a family in the show, Ricardo Abarca (Hache) is Mexican, Ruddy Rodriguez (Carmenza) is Venezuelan and Michell Orozco (Manuela) is Colombian.