As a way to seriously study the character of Sister Angelica, Claudia Di Girólamo lived three days with the nuns of the Carmelitas Descalzas convent in Viña del Mar, before the television series began. The actress met with former nuns, had the task of seriously learning Catholic texts and understanding of the Bible and prayer, in addition to attending Mass daily. Everything indicated according to her role.
The soundtrack of Stupid Cupid; "The Songs of Stupid Cupid Vol. 1 and 2" and "Successes Under the Stars Vol. 1 and 2", were sales successes.
A large part of the actors had to take Rock'n Roll and Twist classes so that their characters could dance the sixties rhythms that were heard in Chile at that time.