Skinwalkers is an Canadian horror-action film about werewolves, and was released in the United States on August 10, 2007. Directed by James Isaac, it stars Jason Behr, Elias Koteas, Rhona Mitra, and Tom Jackson. The film was originally announced for theatrical release on December 1, 2006, but was later pushed to March 30, 2007, and July 27, and finally August 10. Skinwalkers marks Lions Gate Entertainment's first collaboration with Constantin Films, which produced such other other science fiction/horror films as Resident Evil, Resident Evil: Apocalypse, and Wrong Turn. The visual effects are by effects house Mr. X, and the creature effects by Stan Winston Studio. The film was shot in Ontario, Canada.