The character of Reyes, Carlos' mother played by actress Fiorella Faltoyano during several episodes, died in this.
Xabier Elorriaga who collaborated in the series in previous seasons as Javier's father, Joaquín Sotomayor, rejoined the cast in this episode.
Alba Alonso, who played Victoria in this episode, participated in another previous one, but then she played a different character.