Tom Grater International Film ReporterSan Sebastian Film Festival (September 18-26) has added Luca Guadagnino’s We Are Who We Are to its line-up, with the event to world premiere the eight-part series in full as part of its Official Selection special screenings.Written by Paolo Giordano and Francesca Manieri together with Guadagnino, the HBO-Sky co-production follows two adolescents living on an American military base in Italy.