premise: Manos Krystalis (Greek: Μάνος Κρυστάλης; born November 30, 1989) is a Greek actor, performer, model and businessman who became particularly popular in Greece as a model while he worked as a runway model for a top Greek modeling agency since 2004. He participated in several international film projects as a lead main actor.
hypothesis: Manos Krystalis was a lead main actor before 2004.
reason: Although Manos Krystalis became popular in Greece by modeling for a Greek agency in 2004, it's not certain that he did not participate in international films outside of Greece before he became popular in Greece. 