D: Jaime Rosales.
S: Bárbara Lennie, Alex Brendemühl, Joan Botey, Marisa Paredes.
A film hammering the audience with piercing drama, while using stylised camerawork, chapter headings, a non-chronological timeline, etc. to hamper descent into soap opera and crass voyeurism.
My review: http://www.filmaluation.com/petra.html