The Seven Madmen (1973)
The Seven Madmen (, also known as The Revolution of the Seven Madmen) is a 1973 Argentine drama film directed by Leopoldo Torre Nilsson and starring Alfredo Alcón, Norma Aleandro and Héctor Alterio. It was based on the novels Los siete locos (The Seven Madmen) and Los lanzallamas (The Flamethowers), by Roberto Arlt.
More at Wikipedia.