| Person | Type | Job | Role(s) |
|---|---|---|---|
 Daniel Noah | Crew | Production | Executive Producer |
 Elijah Wood | Crew | Production | Executive Producer |
 Enrique López Lavigne | Crew | Production | Producer |
James Muñoz | Crew | Sound | Sound Designer |
Manuel Carrión | Crew | Sound | Foley Artist |
Mercedes Gamero | Crew | Production | Producer |
Michael J. Fox | Crew | Sound | ADR Mixer |
Ricardo García Arrojo | Crew | Production | Executive Producer |
Soledad Seseña | Crew | Art | Production Design |
Ana Isabel Velásquez | Crew | Production | Casting |
 Belén Atienza | Crew | Production | Producer |
Bernat Vilaplana | Crew | Editing | Editor |
Cristina Sopeña | Crew | Costume & Make-Up | Costume Design |
 Garrett Basch | Crew | Production | Executive Producer |
Javier Alvariño | Crew | Art | Production Design |
Jon D. Domínguez | Crew | Camera | Director of Photography |
Jorge Magaz | Crew | Sound | Original Music Composer |
 Josh C. Waller | Crew | Production | Executive Producer |
 Nacho Vigalondo | Crew | Directing | Director, Writer |
Roberto Fernández | Crew | Sound | Sound Editor |
Sergio Rozas | Crew | Editing | Co-Editor |
Pau Brunet | Crew | Production | Executive Producer |
David Rodríguez | Crew | Sound | ADR Recordist |
David O. Daniel | Crew | Sound | Sound Mixer |
Nahikari Ipiña | Crew | Production | Executive Producer, Line Producer |
Cecilia Escot Mangas | Crew | Costume & Make-Up | Makeup Artist |
Jaime Fernández Salcedo | Crew | Sound | Dialogue Editor |
Scott Streetman | Crew | Sound | Boom Operator |
Simón Pérez | Crew | Sound | Boom Operator |
Isabel Auernheimer | Crew | Costume & Make-Up | Makeup Artist |
 Daniel Pérez Prada | Cast | Actor | Triop #2 |
Elijah Wood | Cast | Actor | Nick Chambers |
 Iván González | Cast | Actor | Tony |
 Michelle Jenner | Cast | Actress | Possessed #1 |
 Neil Maskell | Cast | Actor | Chord |
 Rachel Arieff | Cast | Actress | Carol |
 Adam Quintero | Cast | Actor | Pierre - Triop #1 |
 Carlos Areces | Cast | Actor | Watchman |
 Eugenio Mira | Cast | Actor | Audience #2 |
 Julián Villagrán | Cast | Actor | Possessed #2 |
Nacho Vigalondo | Cast | Actor | Richy Gabilondo |
 Raúl Cimas | Cast | Actor | Survivor |
 Sasha Grey | Cast | Actress | Jill Goddard |
 Scott Weinberg | Cast | Actor | Don Delano (uncredited) |
 Jaime Olías | Cast | Actor | Dave |
 Miguel Noguera | Cast | Actor | Man on TV |
 Brian Elder | Cast | Actor | Fantastic Fest Attendee (uncredited) |
 Jake Klamburg | Cast | Actor | Triop #3 |
 Nancy Yao | Cast | Actress | News Reader #1 |
 Luis Sanchez-Cañete | Cast | Actor | News Reader #2 |
Richard Diment | Cast | Audience #1 | |
| Person | Type | Job | Role(s) |
