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Sierra McCormick as Melissa |
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Vinessa Shaw as Diane |
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Pat Healy as Robert |
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John James Cronin as Bobby |
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Lisette Olivera as Amy |
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Ozzy Osbourne as Good Boy (voice) |
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Logan Kearney as Joe |
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Dan John Miller as The Voice At The Door (voice) |
| Art | Angie Hartley | Art Direction |
| Costume & Make-Up | Bic Owen | Costume Design |
| Costume & Make-Up | Stein TD | Makeup Artist |
| Sound | Colin Alexander | Sound Designer |
| Sound | Colin Alexander | Sound Re-Recording Mixer |
| Visual Effects | Patrick Longstreth | Visual Effects Supervisor |
| Sound | Ja-Ann Wang | Dialogue Editor |
| Writing | Max Booth III | Screenplay |
| Production | William Stertz | Producer |
| Production | Lauren Hantz | Executive Producer |
| Production | John Hantz | Executive Producer |
| Production | Max Booth III | Executive Producer |
| Writing | Max Booth III | Novel |
| Production | Colin Duerr | Co-Producer |
| Production | Dave Krieger | Co-Producer |
| Production | Donovan Leitch | Executive Producer |
| Production | John Malerman | Producer |
| Production | Bill Stertz | Producer |
| Production | Katherine Waddell | Executive Producer |
| Sound | David Chapdelaine | Original Music Composer |
| Costume & Make-Up | Anna Haduck | Makeup Designer |
| Costume & Make-Up | Heather Galipo | Key Makeup Artist |
| Production | Dave Krieger | Unit Production Manager |
| Lighting | Justin Ward | Gaffer |
| Art | Jack Schmier | Set Dresser |
| Costume & Make-Up | Heather Galipo | Key Hair Stylist |
| Directing | Michael Donald Bryant | First Assistant Director |
| Directing | Kathryn Postema | Second Assistant Director |
| Art | Katherine Akiko Day | Set Designer |
| Sound | Stefan Fraticelli | Foley Artist |
| Sound | Cruce Grammatico | Sound Mixer |
| Sound | Justin Helle | Foley Mixer |
| Crew | Tina Zinski | Special Effects Technician |
| Camera | Chad Miller | Key Grip |
| Crew | Ele Bardha | Stunt Coordinator |
| Crew | Dan Lemieux | Stunts |
| Directing | Sean King O'Grady | Director |
| Editing | Shane Patrick Ford | Editor |
| Camera | Jean-Philippe Bernier | Director of Photography |
| Art | Amy Williams | Production Design |
| Visual Effects | Dan Rebert | Creature Effects Technical Director |
| Production | Ryan Lewis | Producer |
| Production | Josh Malerman | Producer |
| Production | Peter Block | Producer |
| Art | Maisie Robinson | Graphic Designer |
