Hammer Film Noir Double Feature Vol. 7
| Film | The Unholy Four* |
| Format | DVD |
| Region | 1 |
| Runtime | 149 min. |
| Languages | English |
| Aspect Ratio | 1.66:1, 1.33:1 |
| Color | Black and White |
| Video Standard | NTSC |
| Catalog No. | #KPF572 |
| Barcode | 089859057229 |
| Brand, Design | VCI |
| Production Company, Copyright | Lippert Pictures |
| Notes | Includes Bios, Trailers, Photo Galleries/Audio Interview |
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