At roughly the 86-minute mark, the famous Wilhelm Scream can be heard when a cowboy is struck with a tomahawk.
The scenes of the Indians crossing a river and attacking is footage taken from another film, The Charge at Feather River (1953).
Virginia Mayo (Celia Gray) starred in The Big Land (1957) the year before, also directed by Gordon Douglas.
A couple of the movie posters show Clint Walker with two holsters and pistols. At no point in the movie does he actually wear a holster and pistol on his left side.