El diario de mi madre
Scheming secretary sabotages her boss's wedding plans and snags him for herself. She, him, his brother and the abandoned pregnant fiance all suffer as a result.
Starring Marga López, Roberto Cañedo, Lilia Guízar, Rosenda Monteros, María Teresa Rivas, Angelines Fernández, Consuelo Marquez, Ivan J. Rado, Martha Elena Cervantes, Elda Peralta
Watch "El diario de mi madre" on clarovideo released in 1958. It's a drama movie, and has a rating of 5.4 out of 10 from Imdb which is fairly okay for this kind of movie.