This film was a mild success at the box office, earning MGM a profit of $104,000 (about $1.2M in 2023) according to studio records. It brought in about $110,000 more outside of North American that it did in the USA and Canada - a financial rarity for the time.
The small pistol Carla has is called a pepperbox (or pepperpot). Each barrel is loaded individually and has to be manually rotated to be fired. These types of guns were invented in the 1830s and predate the modern revolver by just a few years.
This was planned to be filmed in 3D, but was eventually filmed in 2D, the first feature to employ spherical Panavision lenses.
Richard Anderson was wounded in his shoulder and leg during the "arrow rain" scene.
The film was John Sturges' biggest money maker thus far. It grossed 1,4 million dollars over a year, $200 000 more than "Quo Vadis", which, because of its long running time, had fewer screenings.