On the night of November 13th, 1974, Ronald DeFeo Jr. took a high powered rifle and murdered his entire family as they slept. At his trial, DeFeo claimed that 'voices' in the house commanded him to kill. This is their story.
| Writing | Daniel Farrands | Writer |
| Directing | Daniel Farrands | Director |
| Camera | Carlo Rinaldi | Director of Photography |
| 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 |
