Trivia

He has cited Rosemary's Baby(1968), Fanny and Alexander(1982), Persona(1966), A Matter of Life and Death(1946), The Thing(1982), 45 Years(2015), A Brighter Summer Day(1991), The Age of Innocence(1993), In the Mouth of Madness(1994), The Piano Teacher(2001), 8 1/2(1963), and Repulsion(1965) as the films that influenced him the most.

Toni Collette (who starred in Hereditary) has said that Aster was the most prepared director she's ever worked with, and that he had the movie basically completely shot and edited in his head two years beforehand.

Graduated from the American Film Institute.

At four years old he saw his first movie in theaters, Dick Tracy (1990). During one scene a character fired a Tommy gun in front of a fiery background. Purportedly, Ari jumped up from his seat and ran out of the theatre in fear, causing his mother to have to chase after him.