| Person | Type | Job | Role(s) |
|---|---|---|---|
 Billy Jett | Crew | Art | Production Design |
 Charles Arthur Berg | Crew | Production | Line Producer |
Dana Kaproff | Crew | Sound | Music |
 Daniel Farrands | Crew | Writing | Writer, Director, Producer |
 Dean E. Fronk | Crew | Production | Casting |
 Donald Paul Pemrick | Crew | Production | Casting |
 Sazzy Lee Calhoun | Crew | Directing | First Assistant Director |
Susan Doepner-Senac | Crew | Costume & Make-Up | Costume Design |
Lucas Jarach | Crew | Production | Producer |
 Eric Brenner | Crew | Production | Producer |
Lindsey Petersen | Crew | Costume & Make-Up | Key Hair Stylist, Key Makeup Artist, Special Effects Makeup Artist |
 Carlo Rinaldi | Crew | Camera | Director of Photography |
Dan Riddle | Crew | Editing | Editor |
Jim Jacobsen | Crew | Production | Executive Producer |
 Burt Young | Cast | Actor | Michael Brigante |
 Diane Franklin | Cast | Actress | Louise DeFeo |
 Jon Mack | Cast | Actress | Agent |
 Lainie Kazan | Cast | Actress | Nona |
 Paul Ben-Victor | Cast | Actor | Ronald DeFeo Sr. |
 Chelsea Ricketts | Cast | Actress | Dawn DeFeo |
 Eddie Alfano | Cast | Actor | Officer Aiello |
 John Robinson | Cast | Actor | Ronald 'Butch' DeFeo Jr. |
 Rebekah Graf | Cast | Actress | Donna Benedettio |
 Zane Austin | Cast | Actor | Marc DeFeo |
 Steve Trzaska | Cast | Actor | Randy Buechler |
 Kue Lawrence | Cast | Actor | Jody DeFeo |
 Noa Brenner | Cast | Actress | Allison DeFeo |
Sky Patterson | Cast | Steve Pelskie | |
| Person | Type | Job | Role(s) |
