Rio Conchos (film)

Rio Conchos is a 1964 Cinemascope Western starring Richard Boone, Stuart Whitman, Tony Franciosa, Edmond OBrien, and in his motion picture debut, Jim Brown, based on Clair Huffakers novel of the same name.

An exConfederate Army officer Richard Boone named Jim Lassiter, who has been out for revenge against Apache Indians who massacred his family, recovers a stolen U.S. Army repeating rifle from some Apaches he has killed as the Apache have proven formidable with lesser weaponry, there is cause for concern should they become equipped with such superior firepower.The U.S. Army arrests him, then offers Lassiter his freedom if he leads a small, clandestine scouting unit into Mexico consisting of an Army captain Stuart Whitman, a Buffalo Soldier sergeant Jim Brown, a knifewielding Mexican prisoner Tony Franciosa, and later an Apache woman warrior Wende Wagner. ........

Source: Wikipedia