In the 9th Century, two Viking children, separated since their early childhood with one raised by the British and the other by Vikings, meet after nearly 20 years as rivals as war breaks out between Britian and the Vikings for control of England.
You can now watch Erik the Conqueror online on the following streaming providers in the United States.
| Directing | Mario Bava | Director |
| Writing | Oreste Biancoli | Screenplay |
| Camera | Mario Bava | Director of Photography |
| Sound | Roberto Nicolosi | Original Music Composer |
| Editing | Mario Serandrei | Editor |
| Camera | Ubaldo Terzano | Camera Operator |
| Writing | Mario Bava | Screenplay |
| Camera | Giovanni Narzisi | Camera Operator |
| Sound | Aldo Zanni | Boom Operator |
| Costume & Make-Up | Mara Rocchetti | Hairstylist |
| Production | Massimo De Rita | Production Manager |
| Crew | Leopoldo Savona | Choreographer |
| Writing | Piero Pierotti | Screenplay |
| Costume & Make-Up | Euclide Santoli | Makeup Artist |
| Writing | Oreste Biancoli | Story |
| Writing | Piero Pierotti | Story |
| Writing | Mario Bava | Story |
| Editing | Lina Caterini | Assistant Editor |
| Production | Paolo Mercuri | Unit Manager |
| Production | Armando Govoni | Unit Manager |
| Production | Arturo Padovani | Production Secretary |
| Production | Dante Brini | Administration |
| Directing | Franco Prosperi | First Assistant Director |
| Directing | Tonino Ricci | Second Assistant Director |
| Camera | Enrico Fontana | Assistant Camera |
| Camera | Giuseppe Berta | Assistant Camera |
| Directing | Anita Borgiotti | Script Supervisor |
| Art | Massimo Tavazzi | Set Decoration |
| Sound | Roberto Mattioli | Sound |
| Sound | Tonino Cacciottolo | Foley Artist |
| Sound | Pietro Vesperini | Sound Recordist |
| Costume & Make-Up | Mario Giorsi | Costume Design |
| Costume & Make-Up | Tina Grani | Costume Design |
| Art | Giorgio Giovannini | Production Design |
| Sound | Luigi Urbini | Conductor |
| Production | Lionello Santi | Producer |
