He was born in Rosario, Santa Fe, Argentina. At 16, Luis Machín decided that he wanted to be an actor. He began studying acting in the theater workshops taught in the secondary school to which he belonged, Manuel Belgrano Commercial of the city of Rosario, attending courses taught by the actor and theater director Miguel Franchi.
Luis Machín was born in Rosario, Santa Fe, Argentina. At 16, he decided to pursue a career in acting. He began taking acting classes at his high school, Manuel Belgrano Commercial of Rosario, which were led by actor and theater director Miguel Franchi.