To the not so illustrious history of Spanish erotica, he contributed the film La trastienda, the first Spanish film to feature full frontal nudity. The film touches upon sexual repression and Opus Dei.
María José Cantudo was the actress who was first seen nude on Spanish cinema screens in La trastienda. While researching Grau, it also came to my attention that Cantudo recorded a song called “Desnuda me”, Spanish for “Unrobe me”.
In the part on Spanish horror of the documentary Eurotika!, Jorge Grau is featured on 18:50 [above].