The production auditioned more than a hundred actresses and non-professional women for the main role. The director Jorge Yacoman was skeptical about casting Javiera Díaz de Valdés, an actress heavily typecast in sexy roles and also because of her fame as he preferred someone unknown, but he was impressed during her audition. He was so impressed he thought he could be wrong and decided to do a second audition in which he was convinced completely.
The scene with the kid in the swing was mostly improvised, but still based on the script which the kid had learned. When shooting began he was intimidated by the protagonist's wounds and the scene required a different approach with more room for improvisation.
The film was not intended to have any relation to the director's previous film "The comfort in the distance," however, it was born in some way as a certain antithesis of it, showing an universe mostly based on women and the moral relationship between a daughter and her mother.
During the beach scene in which the protagonist has a breakdown and hits herself, actress Javiera Díaz de Valdés actually hit herself and left a bump on her head.