James Stewart stated that of all the westerns he made this one was his personal favorite.
Stewart wore the same hat in all the Westerns he made with director Anthony Mann.
In the novel by T.T. Flynn, the foreman Vic Hansboro is a much more overtly villainous character, while Barbara Waggoman is a much stronger and more independent character.
One of the first Westerns to be shot in CinemaScope.