Mario VaenaMMario VaenaQueuebrick VideoOverviewDiscussionMario VaenaWritingRateNA/10 avgNo member ratings yetRateOverviewDiscussionFilmography3Seen0Favorites0FilmCreditEl sonambulo1974 · ScreenplayScreenplayEl derecho de los pobres1973 · WriterWriterBang bang al hoyo1971 · ScreenplayScreenplay