” Attempting to center around believability in place of action and gore, Peli chose to shoot the image with a home video camera. In selecting a more raw and stationary format (the camera was nearly always sitting on a tripod or something else) and disposing of the need for a camera crew, a “higher degree of plausibility” was created for the viewers as they were “more invested in the story and the characters”. Peli says that the dialogue was “herbal” because there has been no real script. Instead, the actors were given outlines of the tale and circumstances to improvise, a technique called “retroscripting” used in the making of The Blair Witch Project In casting the movie, Peli auditioned “a few hundred people” before finally assembly Katie Featherston and Micah Sloat He at the start auditioned them in my opinion and later called them back to audition together. Peli was impressed with the chemistry between the actors, saying, “If you saw the photos, you would’ve concept that they had known each other for years. ” During a guest look on The Jay Leno Show on November 3, 2009, Sloat and Featherston explained they each saw the casting call on LACasting.