The last film starring Barbara Hale to be released before she began her stint as Della Street in Perry Mason (1957) in September 1957.
The first oil well in Oklahoma wasn't in production until almost 25 years after the timing of this movie in the 1870's.
Final film of Esther Dale.
Harry Lauter and Diane Brewster, who were Dr. Brighton's friends Grant and Eliza early in the film, would later appear with Barbara Hale in The Case of the Potted Planter (1963).
Italian censorship visa # 25658 delivered on 18 November 1957.