George Sherman directed Border River, with a screenplay from William Sackheim and Louis Stevens. The film stars Joel McCrea, Yvonne De Carlo, Pedro Armendariz, Alfonso Bedoya, and Howard Petrie; Joseph Gershenson composed the music, and Irving Glassberg was responsible for the cinematography. The story unfolds during the conflict between Maximillian and Juarez in 1865, centering on Zona Libre, a “Free Zone” territ…