Danny Trejo, born May 16, 1944 in Los Angeles, California, is an American actor who played the role of Romero 'Romeo' Parada on the FX original series Sons of Anarchy. Making his debut on the episode "Booster" in the series' fourth season, Danny plays the role of a former Mexican military commando and now a high-ranking member of a Galindo Cartel. One of SAMCRO's new gun buyers, it is revealed that he is actually an undercover CIA operator. Playing a recurring role through the series' fourth and fifth seasons, he acts as one of the two main antagonists of the series' fifth season (the other being Damon Pope), and was last seen in the Season 5 episode "Darthy".