A mysterious knife-throwing viking warrior protects a young peasant woman and her young son from the clutches of a evil regent bent on claiming the title of king and the woman for himself.
Unfortunately the movie Knives of the Avenger is not yet available on HBO Max.
| Directing | Mario Bava | Director |
| Editing | Otello Colangeli | Editor |
| Art | Massimo Tavazzi | Production Design |
| Writing | Gene Luotto | Writer |
| Camera | Antonio Rinaldi | Director of Photography |
| Costume & Make-Up | Giorgio Desideri | Costume Design |
| Production | Pasquale Tagliaferri | Producer |
| Writing | Alberto Liberati | Writer |
| Camera | Mario Bava | Director of Photography |
| Writing | Mario Bava | Writer |
| Writing | Giorgio Simonelli | Writer |
| Production | Saro Patanè | Executive Producer |
| Art | Piero Filippone | Art Direction |
| Directing | Leopoldo Savona | Director |
| Sound | Marcello Giombini | Music |
| Writing | Giovanni Simonelli | Writer |
