For a found-footage-style movie, there's a definite advantage in using unknowns, because it helps sell the illusion that it's real. A known actor would get in the way of the suspension of disbelief.
Oren PeliEven if you look at the 'Paranormal Activity' movies, at the end of the movie things get really crazy and nutty, but they all start in a very mundane situation that people can relate to, and that's also to some degree what we tried to do in 'Chernobyl Diaries.
Oren PeliGory stuff can be shocking but it doesnโt really scare me. Iโd say the kind of stuff that gets under my skin is the unknown. You hear a knock behind a wall and you donโt know what it is. Is there something there or not?
Oren Peli