John Robinson

~ as ~

Ronald 'Butch' DeFeo Jr.

Diane Franklin

~ as ~

Louise DeFeo

Paul Ben-Victor

~ as ~

Ronald DeFeo Sr.

Chelsea Ricketts

~ as ~

Dawn DeFeo

Zane Austin

~ as ~

Marc DeFeo

Noa Brenner

~ as ~

Allison DeFeo

Kue Lawrence

~ as ~

Jody DeFeo

Lainie Kazan

~ as ~

Nona

Eddie Alfano

~ as ~

Officer Aiello

Jon Mack

~ as ~

Agent