Although Norma Talmadge is the star, she doesn't make her first appearance until about the 25-minute mark.
The film takes place in 1572.
According to a 1923 interview with cinematographer Tony Gaudio, the Huguenot massacre scenes required 600 human extras and 400 horses. 80 electricians lit the scene using 7 generators and every available lamp at the studio. The ball scenes that take place at the Louvre required 300 dancers.
This film had it's world premiere showing on 6 August 1923 at the Apollo theatre in New York.
(Evening Telegram, ((New York, NY)) 21 July 1923)
Josephine Crowell had played Catherine de Medici before in D.W.Griffith's Intolerance (1916).