Captain Alatriste: The Spanish Musketeer

Alatriste is a movie starring Viggo Mortensen, Elena Anaya, and Unax Ugalde. Viggo Mortensen plays the Spanish soldier-turned-mercenary Captain Alatriste, a heroic figure from the country's 17th century imperial wars.
In 17th century Spain Diego Alatriste, a brave and heroic soldier, is fighting in his King's army in the Flandes region. His best mate, Balboa, falls in a trap and, near to death, asks Diego to look after his son and teach him to be a soldier.