Parts of this movie were filmed in Gold Hill, Colorado.
Portions were filmed at Copper Mountain Resort near and around the Timberline Lift. This lift is above 8,000 feet and was a 4-pack during filming. At the release of the movie, this lift has been replaced with a 6-pack.
In some (but not all) of the movie posters, Morena Baccarin is shown holding her rifle left-handed. In the movie, she holds it right-handed.
In the rolling end credits Anthony Mackie is listed separately as produced by while Morena Baccarin is grouped with several other executive producers.