Le Miracle des loups, aka Blood on his Sword, is a French / Italian swashbuckler film from 1961, directed by André Hunebelle, written by Henry Dupuy-Mazuel, starring Jean Marais. The scenario was based on a novel by Henry Dupuy-Mazuel. The film was known under the title "Im Zeichen der Lilie", "Blood on His Sword" or "The Miracle of the Wolves" (USA).