Trivia

The title song "In the Valley of Love" is sung by Connie Francis.

Jayne Mansfield was six weeks pregnant when production began.

This film marks the first use of Spain by American film companies as a substitute for the old west. This trend would reach its peak in the 60s and 70s with Sergio Leone and subsequent imitators.

The basic premise of a fish-out-of-water in the old west who, despite untamed and violent forces still manages to prevail, had been made popular ten years earlier with Bob Hope in Visage pâle (1948) and Le fils de visage pâle (1952).

The concept of Tibbs' adoption by the tribe would be re-explored and expanded years later by such films as Un homme nommé Cheval (1970), Little Big Man (1970), and Danse avec les loups (1990).