Hereditary: the story of Toni Collette indie horror hit, its Carrie-obsessed hypochondriac director and a seriously troubled family

When Australian actress read Hereditary’s script, she asked, ‘Where is the scary stuff?’ She soon found out in a film that takes her to extremes she’s never been to in 25 years of filmmaking. ‘It’s a family tragedy that curdles into a nightmare,’ debutant director Air Aster says