The document provides details about the production process of the film The Decent. It discusses that Neil Marshall directed and co-wrote the film, filming took over two years. Scenes were filmed on sets built at Pinewood Studios and on location in the UK and Scotland. An all-female cast was chosen to make the film original. Special effects like green screens and dummies were used to ensure actor safety during filming of dangerous scenes. The film used practical and visual effects to create a dark and immersive atmosphere for the horror genre film.