His brilliant performance in the role of a demotivated and doubtful actor in Juan Antonio Bardem's Cómicos (1954), while showing him for the first time in a successful lead part, paradoxically, as he saw himself as the real incarnation of the role, plunged him in a professional depression, of which he did not emerge until his collaboration with Luis Buñuel several years later. However, in the short term, Buñuel's disconcerting public remark on Rey's performance in another of Bardem's film, Sonatas (1959), "I love how this actor plays a corpse", could only increase Rey's apprehensions. Nevertheless, eventually Rey became Buñuel's preferred actor and closest friend.