How many movies have Horacio O'Connor and Álvaro Durañona y Vedia collaborated on?

They have worked on 2 movies together! Their first movie together was El retrato (1947) while their highest rated movie together was Mingo y Aníbal en la mansión embrujada (1986). They have not worked together since Mingo y Aníbal en la mansión embrujada (1986).