Las secretarias
Starring Sonia Bruno, Teresa Gimpera, La Polaca, Juanjo Menéndez, Paca Gabaldón, Mary Carrillo, Antonio Casas, Rafaela Aparicio, Florinda Chico, José 'Saza' Sazatornil
It's a comedy movie, and has a rating of 5.2 out of 10 from Imdb which is fairly okay for this kind of movie.
Watch it here
Not found streaming from Belgium.