According to the filmmakers at Wikipedia , the Crawlers were designed as "cavemen who never left the caves." To keep the horror genuine, director Neil Marshall kept the creature actors hidden from the main cast until the first scene they appeared together, resulting in real screams of terror during filming.
When The Descent transitioned to Blu-ray in 2007, it faced a unique challenge. Neil Marshall’s film is set almost entirely in a cave system, relying on pitch-black shadows, flickering flares, and dim headlamps. descent20071080pblurayh264aac
A about this particular release (and similar encodes) would be: According to the filmmakers at Wikipedia , the