 | Alicia Sanz als Arianne |
 | Adan Canto als Darren |
 | Will Patton als Schuttmann |
 | Zach Avery als Jaime |
 | Chinaza Uche als Shawn |
 | Jonathan Sadowski als Terry |
 | Jesse LaTourette als Shelby |
 | William Mark McCullough als Dale |
 | Alpha Trivette als Ellroy |
 | Tom Proctor als Kip |
 | Nathan Phillips als Cain |
 | Kevin Wayne als Mountain Man |
 | Duncan Novak als Eric |
| Bayland Rippenkroeger als Creature #1 |
| Christopher Padilla als Creature #2 |
| Robert Calissi als Coal Miner (uncredited) |
 | Lewis Wright als Coal Miner (uncredited) |
| Ana Iglesias als (uncredited) |
 | Lea Hutton Beasmore als Militia (uncredited) |
| Lare Roberts als Militia (uncredited) |
 | Keith Cox als Militia (uncredited) |
| Damon Sudduth als Shadow Creature (uncredited) |
| Apollo Bacala als Shadow Creature (uncredited) |
| Bradley Parker | Director |
| Eric Scherbarth | Writer |
| Stefan Jaworski | Writer |
| Eric Scherbarth | Story |
| Julio Hallivis | Producer |
| Diego Hallivis | Producer |
| Alejandro de Leon | Producer |
| Andres Rosende | Producer |
| Ken Mordechai | Executive Producer |
| Alan Suarez | Executive Producer |
| Jared Ian Goldman | Executive Producer |
| Morgan Susser | Director of Photography |
| Ashley Fenton | Production Design |
| Megan Fenton | Production Design |
| David Kashevaroff | Editor |
| Ashley Heathcock | Costume Designer |
| Nima Fakhrara | Original Music Composer |
| Jessica Kelly | Casting |
| Rebecca Dealy | Casting |
| Nicole Flores | Unit Production Manager |
| Martín Rosete | Associate Producer |
| Rocco Giamatteo | Associate Producer |
| Jodi Byrne | Key Makeup Artist |
| Leslie Humphrey | Key Hair Stylist |
| Haleyy Fisher | Additional Hairstylist |
| Jason Collins | Makeup Effects Designer |
| Jennifer Dee | Special Effects Makeup Artist |
| Lisa Duvall | Special Effects Makeup Artist |
| Dave Halls | First Assistant Director |
| Bridget Gronotte | Art Department Coordinator |
| Shelby Hamet | Set Decoration |
| Lindsay Moremen | Set Decoration |
| Brenden Meers | Assistant Property Master |
| Jeffrey McLeid | Carpenter |
| G.E. Simmons Falk | Construction Coordinator |
| Marshall Shartzer III | Leadman |
| Corie Caudill | Painter |
| Kieran Wathen | Painter |
| Katie Blackburn | Property Master |
| Dylan Blount | Props |
| Spencer Crenshaw | Set Dresser |
| Giacomo G. Ghiazza | Storyboard Artist |
| Eliot Brown | Best Boy Electric |
| Daniel Williamson | Best Boy Grip |
| Will Cravens | Camera Production Assistant |
| Christopher Brooks | Digital Imaging Technician |
| Zachary Erwin | Electrician |
| Geoffrey Storts | First Assistant Camera |
| Matt Ware | Gaffer |
| G.E. Simmons Falk | Grip |
| David Lowe | Grip |
| Tyler Buchholz | Key Grip |
| Colin Garcia | Second Assistant Camera |
| Sloane True | Costume Supervisor |
| Elizabeth Crum | Set Costumer |
| Tora Eff | Set Costumer |
| Brett Durbin | Script Supervisor |
| Lea Hutton Beasmore | Extras Casting Assistant |
| Chris Bowe | Location Casting |
| Bill Marinella | Location Casting |
| Bob Shelley | Special Effects Coordinator |
| Álvaro Carbajosa | 3D Artist |
| Diego RuizDeSotto | 3D Artist |
| Makeshwar Harshal | Animation |
| Kathrin Heller | Animation |
| Carlos Campillo | Digital Compositor |
| Javier Frances | Digital Compositor |
| Marco Hernández | Digital Compositor |
| José Ángel Soto | Digital Compositor |
| Adolfo Sánchez de Rojas | Digital Compositor |
| Daniel Villegas Gálvez | Digital Compositor |
| Dave Wells | Digital Compositor |
| Emilio Ferrari | Digital Compositor |
| Emilio Ferrari | Pre-Visualization Supervisor |
| Gorka Colchón | VFX Artist |
| Alberto Lozano Rivaya | VFX Artist |
| Carlos Puchol | Visual Effects Coordinator |
| Lourdes Villagómez | Visual Effects Producer |
| Mark Owen Forker | Visual Effects Supervisor |
| David Heras | Visual Effects Supervisor |
| Lisa Reynolds | Special Effects Technician |
| Tom Pieczkolon | Boom Operator |
| Derek Sepe | Boom Operator |
| Bogdan Zavarzin | Foley Artist |
| Rustam Gimadiyev | Foley Mixer |
| Chris Polczinski | Sound Mixer |
| Jessica Arkoff | Supervising Sound Editor |
| Sam Fan | Supervising Sound Editor |
| Robert Skrodenis | Assistant Editor |
| Juan Hernando | Colorist |
| Esther Caporale | Dialect Coach |
| Kasey Faye | First Assistant Accountant |
| Lucía Valdivieso | Main Title Designer |
| Bill Wingate | Production Accountant |
| Kathleen Fitzgerald | Production Assistant |
| José Maria Luna | Production Assistant |
| Logan Laskarzewski | Production Assistant |
| Tash Ann | Production Coordinator |
| Greg Hatton | Camera Operator |
