Her most notable work was in 1947, where she appeared in A sangre fría, directed by Daniel Tinayre, co-starring Tito Alonso, and in 1955 in El hombre que debía una muerte, directed by Mario Soffici and co-starring Carlos Cores.
Gonzalez Pacheco was one of the pioneers of Argentine cinematography, collaborating with Hugo Mac Dougall in producing Tres hombres del rio (Three men from the river) directed by Mario Soffici, which earned the Condor Academic Prize from the Academy of Arts and Cinematography Sciences of Argentina for the best original preentation in 1943.
Renán became an accomplished violinist in his teens and, following a minor film role in Mario Soffici's 1951 drama Pasó en mi barrio (It Happened in My Neighborhood), he joined the theatre as an actor and continued to appear in supporting roles in Argentine cinema.
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