The original script involved the two surviving characters of the first movie returning. This idea was later scraped when they decided to make a DTV sequel entry.
Henry Rollins was the first official cast member announced.
Director Joe Lynch originally wanted to have more inbred characters in the film, but was unable to because there were already too many characters to service in the film.
Shot in only 25 days.
Director Joe Lynch edited his own teaser trailer in March of 2007 with music from composer Bear McCreary and released it exclusively to DreadCentral.com after being disappointed with the first teaser FOX released a month before.
Erica Leerhsen did a lot of her own stunts in the movie.
The cackling laughter from Three Finger is actually from director Joe Lynch, after unsuccessful attempts from the actor playing Three Finger prompted a last second ADR to get the voice similar to the character's trademark laugh in the first film.
The song Nina (Erica Leerhsen) is listening to at the beginning of the film is "Wake Pig" from progressive metal band 3's album of the same name.
According to director Joe Lynch on the DVD commentary, 300 gallons of blood were used in the film.