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