Trivia

Nigel De Brulier had already played Cardinal Richelieu in the 1921 film The Three Musketeers (1921) as well as the 1929 film The Iron Mask (1929). In addition, he also played Richelieu in the 1939 film The Man in the Iron Mask (1939).

Ian Keith, who plays Rochefort in this film, also portrayed the character in the 1948 version of Los tres mosqueteros (1948).

Miles Mander (King Louis XIII) would later play Cardinal Richelieu in Los tres mosqueteros (1939).

Film debut of Moroni Olsen.

This film's earliest documented telecast took place in Memphis Wednesday 20 June 1956 on WHBQ (Channel 13); it first aired in Los Angeles Sunday 23 September 1956 on KHJ (Channel 9) and in New York City Monday 22 October 1956 on WOR (Channel 9).