- Cinematographer Hal Mohr, who had previously photographed Marlene Dietrich in Destry Rides Again (1939) attempted to resign from the film due to Dietrich's insistence that he achieve for her greater youth-through-lighting than he felt possible.
- Director 'Fritz Lang' had originally planned to call this film "Chuck-a-Luck". However, the studio insisted that its name be changed to "Rancho Notorious" and when Lang asked why, he was told that it was because Americans wouldn't understand what "Chuck-a-Luck" (a gambling game commonly played in saloons in the Southwest) meant. Lang replied, "Well, it's a good thing that they all know what 'Rancho Notorious'[which has nothing to do with anything in the film] means!"
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