- Rated: R
- Closed captioning available
- Run Time: 1 hours, 21 minutes
- Video: Color
- Released: July 18, 2006
- Originally Released: 2006
- Label: Sony Pictures
- Encoding: Region 1 (USA & Canada)
- Packaging: Keep Case
- Aspect Ratio: Anamorphic Widescreen - 1.78
- Aspect Ratio: Full Frame - 1.33
- Dolby Digital 5.1 - English
- Subtitles - English - Closed Captioned
- Subtitles - English, French
- Additional Release Material:
- Featurette: "The Real Cavers"
- Behind the Scenes: "Within The Cavern"
- Audio Commentary: Olatunde Osunsanmi, Director
- Trailers: Theatrical Trailer
Performers, Cast and Crew:
A fearless group of explorers decides to tackle a remote cave located in Central Asia's Kyzl Kum Desert, where no human has yet ventured. Once inside, and miles below the earth's surface, the hapless humans are hunted by a brutal being who is displeased at the disturbance.