- Country: Italy
- Genres: Adventure
- Release: 1968-01-01
- Director: Mario Bava
- Writers: Alberto Liberati , Gene Luotto , Mario Bava
- Language: Italian
- Stars: Cameron Mitchell , Cameron Mitchell , Cameron Mitchell , Fausto Tozzi , Giacomo Rossi Stuart , Luciano Pollentin , Amedeo Trilli , Renato Terra , Sergio Cortona , Elissa Pichelli , Bruno Ariè , Osiride Pevarello
- Runtime: 85 min
- Awards: 1 win & 1 nomination
- AKA: Viking Massacre , Bladestorm , To mahairi tou ekdikiti (Greece) , Raffica di coltelli , Los cuchillos del vengador (Spain) , Knives of the Avenger , I coltelli del vendicatore (Italy) , Invazija Vikinga , Viking Massacre (United States of America) , Rurik - Mein ist die Rache , Los cuchillos del vengador (Peru) , Duel au couteau (France, French Republic) , Knives of the Avenger (United States of America) , Os Punhais do Vingador (Portugal, Portuguese Republic) , Os Punhais do Vingador (Brazil) , Knives of the Avenger (Canada) , Кровь за кровь , The Knives of the Avenger , Viking Massacre (Canada) , I coltelli del vendicatore , Koston tikarit (Finland) , I orgi ton Vikings (Greece) , Eine Handvoll blanker Messer , Rurik der Hüne , Ножі месника (Ukraine) , Knives of the Avenger (United Kingdom)
- Plot: After the apparent death of her husband King Arald, a viking peasant woman, named Karin, takes her son Moki into hiding from Aghen, King Arald's enemy. But a mysterous stranger, named Rurik, begins acting as Karin's guardian, which evetually leads to a brutal showdown between Rurik and Aghen.
- IMDB:tt0059045
Knives of the Avenger Cast · · · ALL
Mario Bava
Director
Cameron Mitchell
Rurik / Helmut
Fausto Tozzi
Hagen
Giacomo Rossi Stuart
King Arald
Amedeo Trilli
Viking King
Renato Terra
Hagen's henchman
Sergio Cortona
Hagen's henchman
Goffredo Unger