Interesting casting note...

A.C. Lyles westerns were famous for the inclusion of large numbers of faded stars and "has-beens" in their casts and this film is no exception, what with Howard Keel, Jane Russell, Brian Donlevy, Wendell Corey, John Agar and Richard Arlen, among others on hand. Ironically, DeForest Kelley is in the cast and plays a substantial role, yet he's the one actor in it whose greatest stardom was still to come. Later this same year (1966) he would co-star in "Star Trek" as Dr. McCoy or "Bones" and would become famous for all time. Yet he's close in age to several of the prominent faded stars in the cast. He was born in 1920, Keel in 1919, Russell in 1921, Agar in 1921 and Evans in 1922. Kelley's even significant older than three others in the cast, Terry Moore and Ben Cooper, who each had a somewhat brief heyday in the 1950s, and his co-villain, John Smith (born 1931), who'd starred in the western TV series, "Laramie," but was famous for little else. (Smith and Kelley are both quite good here and much more convincing as villains than some of the old-timers Lyles recruited for other films in his western series.)

Lyles never forgot Kelley and cast him in the giant rabbit "thriller," NIGHT OF THE LEPUS (1972) after Kelley's "Star Trek" run, a film that also starred Stuart Whitman, Janet Leigh and Rory Calhoun. (I think I would have preferred a western with this cast, but drive-in audiences in 1972 apparently preferred cheap "monster" films to cheap westerns.)