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.
Unfortunately the movie Erik the Conqueror is not yet available on HBO Max.
| Directing | Mario Bava | Director |
| Sound | Tonino Cacciottolo | Foley Artist |
| Production | Armando Govoni | Unit Manager |
| Writing | Piero Pierotti | Story |
| Directing | Franco Prosperi | First Assistant Director |
| Art | Massimo Tavazzi | Set Decoration |
| Camera | Enrico Fontana | Assistant Camera |
| Writing | Mario Bava | Story |
| Sound | Roberto Mattioli | Sound |
| Sound | Pietro Vesperini | Sound Recordist |
| Writing | Oreste Biancoli | Story |
| Editing | Lina Caterini | Assistant Editor |
| Production | Arturo Padovani | Production Secretary |
| Directing | Tonino Ricci | Second Assistant Director |
| Directing | Anita Borgiotti | Script Supervisor |
| Costume & Make-Up | Tina Grani | Costume Design |
| Production | Paolo Mercuri | Unit Manager |
| Art | Giorgio Giovannini | Production Design |
| Camera | Giuseppe Berta | Assistant Camera |
| Production | Dante Brini | Administration |
| Costume & Make-Up | Mario Giorsi | Costume Design |
| Production | Lionello Santi | Producer |
| Sound | Luigi Urbini | Conductor |
| Camera | Mario Bava | Director of Photography |
| Editing | Mario Serandrei | Editor |
| Sound | Roberto Nicolosi | Original Music Composer |
| Writing | Oreste Biancoli | Screenplay |
| Crew | Leopoldo Savona | Choreographer |
| Camera | Ubaldo Terzano | Camera Operator |
| Writing | Mario Bava | Screenplay |
| Costume & Make-Up | Euclide Santoli | Makeup Artist |
| Production | Massimo De Rita | Production Manager |
| Camera | Giovanni Narzisi | Camera Operator |
| Writing | Piero Pierotti | Screenplay |
| Sound | Aldo Zanni | Boom Operator |
| Costume & Make-Up | Mara Rocchetti | Hairstylist |
