The coup d etat in 1964 submmited brazilians to the military political e social repression. Society was politically divided in two political blocs, in favor or against the military dictatorship. The background of the present work is the autoritarian context of the military dictatorship and mainly the field of the political oposittion and resistence. The subject of the study is Carlos Castello Branco and his newspaper column called Coluna do Castello, published in the Jornal do Brasil. His trajectory, activities as jornalist and also the critical analysis of the politics in the columns are described as part of the liberal opposition to the military dictatorship.