- Hey, It's That Place!: The climax takes place at the castle of Pierrefonds, which was used for at least ten more movies, four of which (The Eagle with two Heads, Le Bossu, Le Miracle des Loups and Peau d'Âne) starred Jean Marais. It was later used for Les Visiteurs 2: Les Couloirs du Temps and Joan of Arc.
- Name's the Same: A common English title for the film is Captain Blood. Not to be confused with the Errol Flynn film Captain Blood, which is a different kind of swashbuckler.
- No Stunt Double: Jean Marais did most of his character's stunts himself.
- Production Posse: Director André Hunebelle, Jean Marais and Bourvil teamed up again after Le Bossu. Actor and stuntman Guy Delorme played a mook in Le Bossu and The Dragon Rinaldo here. Hunebelle, Marais and Delorme would later work on the Fantômas film series.
Trivia / Le Capitan