Heather Donahue is an American writer and actress who first came to public attention after appearing as the lead character in Haxan Films' 1999 horror film The Blair Witch Project. Following the success of the film, she went on to appear in an array of independent films, as well as guest appearances on several television shows, most notably for her starring role in the science fiction miniseries Taken and a guest appearance on the sitcom It's Always Sunny in Philadelphia.　　In 2011, Donahue signed a publishing deal for her debut book GROWGIRL, about her time as a medical marijuana grower, which will be released on January 5, 2012 by Gotham Books, an imprint of Penguin Group, USA.　　---　　from wikipedia