One Man's Hero tells the little-known story of the "St. Patrick's Battalion" or "San Patricios," a group of mostly Irish and other immigrants of the Catholic faith who deserted to Mexico after encountering religious and ethnic prejudice in the U.S. Army during the Mexican-American War. The plot centers around the personal story of John Riley, an Irishman who had been a sergeant in the American Army who is commissioned as a captain in the Mexican army and commands the battalion, as he leads his men in battle and struggles with authorities on both sides of the border

Tom Berenger
as Captain John Riley

Joaquim de Almeida
as Cortina

Daniela Romo
as Marta

Mark Moses
as Col. Benton Lacy

Stuart Graham
as Corporal Kenneally

Gregg Fitzgerald
as Paddy Noonan

Don Wycherley
as Brian Athlone

Wolf Muser
as Cpl. Schultz

Luke Hayden
as Seamus McDougherty

Ilia Volok
as Daniel Grzbalski
SPDonlan
Terrific material; terrible movie. By the nineteenth century, Irish catholic soldiers had centuries of experience abroad, in the service of the British Empire, as well as in continental armies and across South America. Here, the St Patrick's Battalion, a largely Irish unit, defends Mexico in the ...