Comanche Crossing

Comanche Crossing is a 1968 Western film directed by Larry Buchanan. Buchanan worked on the film in 1967–68 with Tony Huston. It was shot in Big Bend Country near the US-Mexican border, with Cynthia Hull as a Native American and Huston as a Comanche warrior. The film was never released.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.