A priest with a haunted past and a novice on the threshold of her final vows are sent by the Vatican to investigate the death of a young nun in Romania and confront a malevolent force in the form of a demonic nun.
| Directing | Corin Hardy | Director |
| Production | Peter Safran | Producer |
| Production | James Wan | Producer |
| Writing | Gary Dauberman | Screenplay |
| Camera | Maxime Alexandre | Director of Photography |
| Writing | James Wan | Story |
| Editing | Michel Aller | Editor |
| Costume & Make-Up | Sharon Gilham | Costume Design |
| Art | Jennifer Spence | Production Design |
| Art | Gina Calin | Set Decoration |
| Production | Walter Hamada | Executive Producer |
| Writing | Gary Dauberman | Story |
| Art | Jessica McDonald | Greensman |
| Camera | Jason Bauer | Digital Imaging Technician |
| Camera | Marco Fabriziani | Drone Pilot |
| Lighting | Marcu Ion | Electrician |
| Camera | Negoita Mihai | Libra Head Technician |
| Production | Alexandra Ioana Mojoiu | Casting Assistant |
| Art | Adi Handac | Property Master |
| Art | Martin L. Mercer | Storyboard Artist |
| Camera | George Budescu | Assistant Camera |
| Lighting | Andrew Sykes | Rigging Grip |
| Camera | Octavian Sotir | Second Assistant "A" Camera |
| Costume & Make-Up | Alexandra Voloaca | Set Costumer |
| Editing | Razvan Ilinca | Assistant Editor |
| Editing | Philip Beckner | Digital Intermediate Colorist |
| Production | Ionut Sirbu | Production Assistant |
| Production | Victor Focheanu | Production Assistant |
| Art | Charlie Jaramillo | Greensman |
| Costume & Make-Up | Cassandra Parigian | Set Costumer |
| Editing | Greg Curry | Additional Colorist |
| Production | Ionut Penzes | Assistant Production Coordinator |
| Sound | Damian Montano | Musician |
| Art | Daniela Medeiros | Set Designer |
| Camera | Petre Victor | First Assistant "B" Camera |
| Production | Mark Droter | Casting Assistant |
| Production | Sophie Kingston-Smith | Casting Assistant |
| Production | Daniela Soare | Extras Casting |
| Production | Liliana Toma | Casting |
| Art | Ken Barthelmey | Concept Artist |
| Art | Clint Schultz | Graphic Designer |
| Camera | Valentin Mircea | Camera Operator |
| Camera | Camilla Carniello | Camera Trainee |
| Lighting | Nicholas Kaat | Gaffer |
| Lighting | Mike Mauceri | Lighting Technician |
| Camera | Bogdan Stanciu | Steadicam Operator |
| Costume & Make-Up | Domnica Bodogan | Hairstylist |
| Camera | Erdem Ertal | Additional Photography |
| Camera | Andrei Cretan | First Assistant "A" Camera |
| Editing | Eric R. Brodeur | First Assistant Editor |
| Crew | Sarmis Stamatescu | Transportation Captain |
| Sound | Jennifer Johnson | Musician |
| Crew | Rasvan Puiu | Stunt Coordinator |
| Costume & Make-Up | Mara Rouse | Makeup Artist |
| Art | Alina Petrini | Art Department Coordinator |
| Crew | John F. Soria | Carpenter |
| Camera | Moldoveanu Constantin | Assistant Camera |
| Camera | Dane Brehm | Digital Imaging Technician |
| Lighting | Liviu Popa | Electrician |
| Camera | Radu Marinescu | Key Grip |
| Crew | Arlo Brooks | Post Production Assistant |
| Production | Kershaun Scott | Production Assistant |
| Crew | Relu Cojanu | Transportation Coordinator |
| Editing | Ken Blackwell | Editor |
| Art | Sean Mannion | Property Master |
| Camera | Mihai Cosmin Popa | Digital Imaging Technician |
| Camera | Justin M. Lubin | Still Photographer |
| Production | Alexis Winter | Casting Associate |
| Crew | James Ferrera | Unit Publicist |
| Art | Dinica Tiberiu | Props |
| Camera | Ioana Florescu | Digital Imaging Technician |
| Crew | Kim Donovan | Stand In |
| Sound | Lise Richardson | Music Editor |
| Costume & Make-Up | Eleanor Sabaduquia | Makeup Department Head |
| Art | Diana Ghinea | Assistant Art Director |
| Camera | Alexandru Bogdan Stefan | Grip |
| Production | Joel Tokarsky | Production Accountant |
| Sound | Blake Cooper | Musician |
| Art | Eduard Daniel Vraciu | Art Direction |
| Costume & Make-Up | Iulia Roșeanu | Key Makeup Artist |
| Art | Carol Kiefer | Art Department Coordinator |
| Art | Eusebiu Sirbu | Graphic Designer |
| Camera | Josh Greer | First Assistant "B" Camera |
| Lighting | John Gorman | Gaffer |
| Camera | Joe Macaluso | Key Grip |
| Production | Johanna L. Williams | Assistant Production Coordinator |
| Sound | Gina Luciani | Musician |
| Production | Rich Delia | Casting |
| Costume & Make-Up | Adelina Handuri | Key Hair Stylist |
| Camera | Craig Bauer | Additional Photography |
| Lighting | Catalin Chiorean | Electrician |
| Lighting | Catalin Ciobanu | Electrician |
| Camera | Martin Maguire | Still Photographer |
| Costume & Make-Up | Susan L. Bertram | Costume Supervisor |
| Art | Christopher Billig | Main Title Designer |
| Production | Scott Parker | Post Production Accountant |
| Production | Monica Duta | Production Coordinator |
| Production | Rose Wicksteed | Casting |
| Lighting | Octavian Golgot | Key Rigging Grip |
| Camera | Cos Aelenei | Still Photographer |
| Production | Holly Dellocono | Assistant Production Coordinator |
| Production | Coleen Aiello | First Assistant Accountant |
| Production | Ali Griffith | Production Coordinator |
| Costume & Make-Up | Jeremy Bramer | Makeup Artist |
| Art | Maggie Mannion | Assistant Property Master |
| Camera | BJ McDonnell | Camera Operator |
| Lighting | Florin Niculae | Gaffer |
| Lighting | Florin Mihalache | Rigging Gaffer |
| Lighting | Charley Gilleran | Key Rigging Grip |
| Art | Adrian Curelea | Art Direction |
| Camera | Cory Geryak | Additional Director of Photography |
| Lighting | Mihai Adrian Olteanu | Electrician |
| Editing | Steven Trapani | First Assistant Editor |
| Production | Vlad Semenescu | Assistant Production Coordinator |
| Production | Michael Hubert | Production Coordinator |
| Crew | Sandra Rosko | Stand In |
| Camera | Sarbu Gigi | Grip |
| Production | Mariana Grama | Extras Casting Assistant |
| Costume & Make-Up | Oana Draghici | Costume Supervisor |
| Editing | John Carner | Assistant Editor |
| Editing | Mark Griffith | Digital Intermediate Colorist |
| Sound | Nate Underkuffler | Music Editor |
| Sound | Judah Getz | ADR Mixer |
| Sound | Robert Sharman | Production Sound Mixer |
| Sound | Ronald Eng | Supervising Sound Editor |
| Crew | Bradley Gaines | Compositor |
| Visual Effects | Viktor Östergren | Digital Compositor |
| Visual Effects | Jeff Winkle | Visual Effects Coordinator |
| Visual Effects | David Feinsilber | Visual Effects Producer |
| Visual Effects | John Grower | Digital Compositor |
| Visual Effects | Laurens Vermeulen | Digital Compositor |
| Visual Effects | Gabriel Köerner | Digital Compositor |
| Sound | Nicolae Radu | Sound Mixer |
| Sound | Gabriel J. Serrano | Sound Re-Recording Mixer |
| Lighting | Kerry Graham | Lighting Artist |
| Visual Effects | Jessica Choi | Visual Effects Coordinator |
| Sound | John Loranger | Foley |
| Sound | Kristi McIntyre | Foley Editor |
| Sound | Adam Boyd | Sound Effects Editor |
| Visual Effects | Adrian Popescu | Special Effects Supervisor |
| Sound | Nick Roberts | ADR Mixer |
| Sound | Ando Johnson | Sound Effects Editor |
| Sound | Joe Barnett | Sound Re-Recording Mixer |
| Visual Effects | Daniel Svaboe | Digital Compositor |
| Visual Effects | Patrik Windahl | Digital Compositor |
| Visual Effects | Don Lee | Visual Effects Supervisor |
| Sound | Bruce Tanis | Sound Effects Editor |
| Visual Effects | Melvyn Nicholls | Visual Effects Coordinator |
| Sound | Steve Lederer | Assistant Sound Editor |
| Sound | Xiao'ou Olivia Zhang | Sound Effects Editor |
| Sound | Andy Hay | Sound Re-Recording Mixer |
| Visual Effects | Matthew Ribeiro | Matte Painter |
| Sound | Marin Constantin Gabriel | Boom Operator |
| Visual Effects | Magnus Hilding-Nørkjær | Digital Compositor |
| Crew | Shannon Pitts | Special Effects |
| Sound | John Sievert | Foley Artist |
| Visual Effects | Kim Lee | Visual Effects Producer |
| Sound | Charley Stauber | Assistant Sound Editor |
| Sound | Bill R. Dean | Supervising Sound Editor |
| Visual Effects | Chris Dawson | Digital Compositor |
| Crew | Joseph Silva | Compositor |
| Sound | Joe Schiff | Dialogue Editor |
| Visual Effects | Alexander Swahn | Digital Compositor |
| Visual Effects | Esben Syberg | Visual Effects Supervisor |
| Crew | Kurt Bryant | Stunt Coordinator |
| Production | Richard Brener | Executive Producer |
| Crew | Amy Greene | Stunt Double |
| Crew | Michael Owen | Stunt Double |
| Crew | David Paul Olsen | Stunt Double |
| Crew | Annie Chasse | Stunts |
| Crew | Rosine 'Ace' Hatem | Stunts |
| Crew | Niculae Cristian Bogdan | Stunts |
| Crew | Tammie Baird | Stunt Double |
| Crew | Adrian Nita | Stunts |
| Crew | Petre Marin | Stunts |
| Production | Michael Clear | Executive Producer |
| Production | Gary Dauberman | Executive Producer |
| Crew | Allison Caetano | Stunts |
| Sound | Abel Korzeniowski | Original Music Composer |
