 He is mostly known for his action and horror films, which were usually grounded in the exploitation genre.Vieyra began as an actor in 1950 in the film "Hombres a precio" and appeared in "Ayer fue primavera" in 1955.He began a career as a film director in 1962 with the comedy "Dr. Cándido Pérez, señoras", and is most credited in this area of Argentine cinema.