Roberta Damián's father is Pedro Damián, the show runner.
Roberta Damián (Antonia) helped to write the intro song "Este Movimiento"
Anna Iriyama (Keiko) was selected among the girls of J-Pop group AKB48. She didn't speak Spanish or English.
Santiago Achaga (Claudio) wrote the songs: "Contigo", "Cómo decirte que te quiero" and "Una y otra vez"
The final series was filmed in Japan.