Do you ever watch a horror movie and wonder if acting in it is just as scary as watching it? Well, we may have your answer. Alex Wolff, who stars in 'Hereditary' - the movie some are claiming to be the scariest movie of the year - has had a hard time ever since filming and is even claiming to have gotten PTSD over his latest acting gig. According to Wolff, anytime the movie is brought up, disturbing imagery floods his brain, so much so that it's even keeping him up at night.