In his review on the What's on TV website, Jason Best writes, "As adroit and artful as his hero, de Broca gets the tone of Le Bossu perfectly right—romantic, thrilling and with a sense of fun that never slips into parody or self-mockery." In his review on the Foster on Film website, Matthew Foster wrote, ""On Guard" is the kind of fun Swashbuckler that Hollywood has forgotten how to make. A few subtitles are well worth the price for some stirring adventure."