Cast of Hereditary

Toni Collette plays Annie Graham, the mother of the Graham family who unravels unsettling mysteries about her ancestry.

Alex Wolff portrays Peter Graham, the teenage son of the family who becomes entangled in the terrifying events that unfold.

Gabriel Byrne takes on the role of Steve Graham, the husband and father who tries to hold the family together as they face sinister forces.

Ann Dowd appears as Joan (Joanie), a mysterious woman who becomes connected to the Graham family through eerie circumstances.

Milly Shapiro plays Charlie Graham, the peculiar daughter of the family who brings an unsettling presence to the story.

Mallory Bechtel portrays Bridget, a character with a connection to the Graham family whose role unfolds throughout the film.

Brock McKinney appears as Aaron, a character who becomes involved in the chilling events affecting the Graham family.

Jake Brown plays Brendan, a character intertwined in the disturbing occurrences that impact the Graham family.

Morgan Lund portrays Mr. Davis, a character who encounters the Graham family amidst the unfolding horrors.

Christy Summerhays appears as Charlie's Teacher, a figure in the school life of the Graham family.

Bus Riley plays the History Teacher, a character who adds layers to the unsettling backstory of the film.

Jarrod Phillips appears as the Group Leader, a character involved in the community with a role in the unfolding events.