Sandra Marchena has participated, as an actress, in Acacias 38, La Señora, Amar en Tiempos Revueltos, Hospital Central, etc. In audiovisual direction, he debuted with "El detective enamored (Contrafactual), a short film subsidized by Fundación Autor for distribution. He also produced and starred in Fernando Villena's "Single and with Books", a Notodofilmfestival finalist. SINCRONÍA is his second short film, based on the work of his authorship, SINCRONÍA (A bitter comedy.)