However, there is no film called "Los Recuerdos del Porvenir" from 1969.
It's possible you're thinking of a different movie, or the title might be slightly different.
To help you find the right movie, could you please provide:
* The full title of the movie you are looking for
* Any other details you remember, such as the director, genre, or a brief synopsis
With more information, I can assist you in finding the correct movie and its cast.