Arte

• Kristen Adams — production design
• Eric Morrell — art direction
• Rudi Rossiter — leadman
• Emma Eckert — set dresser
• Rachel Lively — set dresser
• Omar Nadir — graphic designer
• Sean O'Donnell — property master
• Andreas Mueller — set dresser

Reparto

• Ted Levine — Thomas Blackburn
• Katia Winter — Anna Roland
• Michael McMillian — James Hirsch
• Monique Candelaria — Patient 14
• Jenny Gabrielle — Callie
• Chad Brummett — Dr. Kessle
• David Midthunder — Raoul
• Cyd Schulte — Laura Henrik
• J.D. Garfield — Retired MK-Ultra Doctor
• Vivian Nesbitt — Olivia Kmiec
• Alex Gianopoulos — Renny Seegan
• William Sterchi — Henry Cale
• Corey Moosa — Patient 11
• John Lawlor — Elderly Doctor
• Kevin Wiggins — Black Rock County Sheriff
• Tone Forrest — MK-Ultra Survivor
• Jerome L. Williams — Orderly

Producción

• Marcus Schöfer — executive producer
• Neal Dodson — executive producer
• Ben Samuels — executive producer
• Angelique Midthunder — casting
• John Pinckard — executive producer
• Gudrun Giddings — executive producer
• Stephanie Riggs — producer
• Sean Akers — producer
• Alex Gianopoulos — location manager
• Corey Moosa — producer
• Zachary Quinto — executive producer

Equipo técnico

• Jerrad Gray — makeup effects
• Erik Bright — unit publicist
• Ed Duran — stunt coordinator

Guion

• Blair Erickson — writer
• Daniel J. Healy — story
• H.P. Lovecraft — short story

Dirección

• Blair Erickson — director
• Darryl Garcia Jr. — script supervisor
• Marcus Taylor — first assistant director

Vestuario y maquillaje

• Liz Marshall — costume design
• Copper Perry — makeup department head
• Sara Roybal — key makeup artist

Cámara

• Jeremy Obertone — director of photography
• Nolan Rudi — second assistant camera
• Sierra Haworth — digital imaging technician

Montaje

• Jacques Gravett — editor

Sonido

• Andreas Weidinger — original music composer
• Rodney Gurule — production sound mixer
• Emmett Corman — sound effects editor
• Paul James Zahnley — sound re-recording mixer
• D. Chris Smith — sound effects editor
• Scott A. Jennings — supervising sound editor
• Brett Becker — boom operator
• Allan Abaunza — sound effects editor
• Tom Disher — sound effects editor
• Rob Hidalgo — boom operator
• Johnny Gallo — sound effects editor

Efectos visuales

• Gordon T. Wittmann — visual effects producer
• Scott Hastings — special effects supervisor

Iluminación

• Eric Munk — best boy electric