During production Primex Cinematografica (the Italian co production company) went bankrupt, seriously affecting filming and later the movie's sales.
Shown on the 29th Edition of San Sebastián International Film Festival (September 1981) among the Nuevos Realizadores Selection.
After this one, his movie debut, director José Sánchez Álvaro (the actual on screen credit) signed all of his subsequent TV and movie productions as José María Sánchez.
Mexican actress Helena Rojo is billed as Elena Rojo.
Christian Olivares (billed as Cristian Olivares) not only is the actor that plays the homeless but also is the artist who designed the film's original poster artwork. Olivares was a close friend of director José María Sánchez.