Meet the young stars of 'Hereditary,' who braved the emotional 'meat grinder' for the year's most devastating horror movie

“I felt like I wouldn’t be able to jump in and out of this thing, and I didn’t trust that I’d be able to do, like, a panic attack or do any of these crazy things without surrendering myself to the process and surrendering myself to this character,” explains Wolff, whose character, Peter Graham, becomes a focal point as the film’s mysteries unfold. “Maybe I did it out of fear of not being able to. I wanted to just live in that.”