BEGIN SLIDESHOW Watch the new Hereditary trailer! A24 has revealed the new trailer for familial horror film Hereditary, which stars Toni Collette, Alex Wolff, Milly Shapiro, Ann Dowd and Gabriel Byrne. Check out the Hereditary trailer in the player below and don’t miss the creepy Etsy page from the young daughter in the film by clicking here! When Ellen, the matriarch of the Graham family, passes away, her daughter’s family begins to unravel cryptic and increasingly terrifying secrets about their ancestry.