The cast of Cartas de amor de una monja - 1978 includes: Mercedes Ariza as Monja Mercedes Cinos as Novicia Roberto Cruz as Mendigo Carme Fortuny as Madre Margarita Tamara Geva as Monja Teresa Gimpera as Isabel Carmen Lozano as Monja Pedro Luis Lavilla as Alguacil Virginia Mataix as Natalia Ana Milena as Monja Quetxe Parra as Novicia Coral Pellicer Cristina Puig as Novicia Virginia Ruiz as Novicia Mary Salinier as Monja