Dermot Martin Movies, TV Shows, and online popularity.

One Man's Hero is a 1999 historical war drama film that portrays the little-known true story of the 'San Patricios', a group of mainly Irish Catholic immigrants who deserted to Mexico during the Mexican-American War. The plot revolves around John Riley, an Irish sergeant who becomes a captain in the Mexican army, leading his men in battle and facing challenges from authorities on both sides of the border.