Father Gabriele Amorth, Chief Exorcist of the Vatican, investigates a young boy's terrifying possession and ends up uncovering a centuries-old conspiracy the Vatican has desperately tried to keep hidden.
| Production | Daniel Hubbard | Casting |
| Production | Anne McCarthy | Casting |
| Art | Alan Gilmore | Production Design |
| Costume & Make-Up | Lorna Marie Mugan | Costume Design |
| Production | Jeff Katz | Producer |
| Writing | Michael Petroni | Screenplay |
| Writing | Michael Petroni | Screenstory |
| Writing | Evan Spiliotopoulos | Screenplay |
| Sound | Robert Stambler | Supervising Sound Editor |
| Production | Jo Homewood | Executive Producer |
| Production | Simon Higgins | Casting Assistant |
| Directing | Julius Avery | Director |
| Sound | Simon J. Willis | Sound Mixer |
| Crew | Brendan Condren | Stunt Coordinator |
| Costume & Make-Up | Tristan Versluis | Prosthetics |
| Costume & Make-Up | Orla Carrol | Hair Designer |
| Costume & Make-Up | Lynn Johnson | Makeup Designer |
| Art | Mary Pike | Set Designer |
| Art | Gary McGinty | Art Direction |
| Production | Ailish Bracken | Production Manager |
| Visual Effects | Greg Strasz | Visual Effects Supervisor |
| Production | Julia McCarthy | Key Production Assistant |
| Costume & Make-Up | Aisling Nairn | Prosthetic Makeup Artist |
| Lighting | Barry Conroy | Gaffer |
| Crew | Giedrius Nagys | Stunt Coordinator |
| Sound | Amy Barber | Foley Editor |
| Sound | Amy Barber | Foley Mixer |
| Art | Graeme Callander | Storyboard Artist |
| Visual Effects | Daniel Carrasco | Creature Design |
| Sound | Tim Ryan | Music Editor |
| Editing | Matt Evans | Editor |
| Sound | Guillaume Beauron | Sound Assistant |
| Visual Effects | Paul Byrne | Special Effects Supervisor |
| Sound | Matt Yocum | Sound Designer |
| Crew | Mark Forbes | Scenic Artist |
| Costume & Make-Up | Rhona McGuirke | Costume Supervisor |
| Directing | Silvia Bellitto | Script Supervisor |
| Sound | Ivan Aleksandrov | Sound Assistant |
| Crew | Vincent Mensink | Animatronics Designer |
| Directing | Ian Adams | Third Assistant Director |
| Writing | Gabriele Amorth | Book |
| Sound | James Hyde | ADR Mixer |
| Production | Doug Belgrad | Producer |
| Lighting | Graeme Haughton | Best Boy Lighting Technician |
| Camera | Philip Murphy | Key Grip |
| Costume & Make-Up | Marcos Sagasta | Special Effects Makeup Artist |
| Directing | James McGrady | First Assistant Director |
| Camera | Khalid Mohtaseb | Director of Photography |
| Costume & Make-Up | Emma Moffat | Makeup Artist |
| Art | Lizzie Osborne | Assistant Art Director |
| Crew | Norman Kelly | Stunts |
| Crew | Martin White | Stunts |
| Crew | Aoife Byrne | Stunt Driver |
| Crew | David Flynn | Stunt Double |
| Sound | Robert Ames | Conductor |
| Editing | Phoenix Chisholm | First Assistant Editor |
| Art | Claire Levinson-Gendler | Set Decoration |
| Crew | Vladislav Jacukevič | Stunts |
| Editing | Jackie Jarvis | First Assistant Editor |
| Production | Evelyn O’Neill | Assistant Location Manager |
| Crew | Jessica Grant | Fight Choreographer |
| Directing | Rachel Morgan | Crowd Assistant Director |
| Crew | Martin Kenny | Stunts |
| Crew | Rolf te Booij | Animatronics Supervisor |
| Crew | Hannah Behan | Stunt Double |
| Art | Joanne Carstairs | Props |
| Camera | Richie Egan | Dolly Grip |
| Camera | John McCarthy | First Assistant "B" Camera |
| Production | Amy Dolan | Casting |
| Art | Ken Perkins | Storyboard Artist |
| Editing | Fergus Rotherham | Colorist |
| Art | Darren Crimmins | Construction Manager |
| Art | Anais Mulgrew | Graphic Designer |
| Crew | Donal O'Shea | Stunts |
| Directing | Robert Kiernan | Third Assistant Director |
| Camera | Cel Bothwell-Fitzpatrick | Digital Imaging Technician |
| Sound | Vasyl Gudz | Sound Mixer |
| Costume & Make-Up | Giampaolo Grassi | Costumer |
| Camera | Simon Keenan | Digital Imaging Technician |
| Camera | Jason Ruffley | Best Boy Grip |
| Art | Til Frohlich | Art Direction |
| Camera | Evan Fanning | Second Assistant "A" Camera |
| Crew | Michelle O'Loughlin | Stunt Double |
| Production | Sophie Cassidy | Executive Producer |
| Sound | Ryan A. Sullivan | Sound Effects Editor |
| Production | Michael Patrick Kaczmarek | Producer |
| Production | Eddie Siebert | Producer |
| Production | Eddie Siebert | Executive Producer |
| Costume & Make-Up | Viktoria Stieber | Prosthetic Makeup Artist |
| Camera | Daniel Bolaños Meade | Second Assistant "C" Camera |
| Art | Dave Flynn | Sculptor |
| Crew | Gemma Bovenizer | Video Assist Operator |
| Art | Erin Hermosa | Assistant Art Director |
| Camera | Mark Hannon | Assistant Camera |
| Camera | Greg Kozma | Camera Trainee |
| Art | Isabella Walsh | Sculptor |
| Art | Curnan O'Connell | Assistant Art Director |
| Art | Gary Cagney | Art Department Coordinator |
| Crew | Alessandro Romeo | Stunts |
| Camera | Charlie Fleetwood | First Assistant "C" Camera |
| Camera | Gerard O'Keeffe | Second Assistant "B" Camera |
| Sound | Oscar Pescott | Boom Operator |
| Writing | R. Dean McCreary | Screenstory |
| Writing | Chester Hastings | Screenstory |
| Costume & Make-Up | Sophie Flynn | Prosthetics |
| Directing | Dee Doyle | Assistant Director Trainee |
| Directing | Alan Elbakidze | Assistant Director Trainee |
| Directing | Sarah Harte | Second Assistant Director |
| Directing | Rachel Wren | Assistant Director Trainee |
| Crew | Ben Crimmins | Carpenter |
| Art | Taine King | Standby Art Director |
| Art | Gary Middlewick | Assistant Set Decoration |
| Art | Melissa Mulligan | Sculptor |
| Crew | Aoife Bailey | Stunt Double |
| Crew | JJ Battell | Stunts |
| Crew | Seth Collins | Stunts |
| Crew | Fionn Condren | Stunts |
| Crew | Isaac Kearns | Stunts |
| Crew | Damian Lynch | Stunt Double |
| Crew | Yeray Morillas | Stunts |
| Crew | Jokubas Nagys | Stunt Double |
| Crew | Lara Serviolle | Stunts |
| Camera | Jonny Burnside | Digital Imaging Technician |
| Lighting | Sean Conroy | Lighting Technician |
| Camera | Ben Ingoldsby | Camera Trainee |
| Lighting | Colin John Kelly | Rigging Gaffer |
| Camera | Jonathan Ozan | Digital Imaging Technician |
| Costume & Make-Up | Damiano Di Giacomo | Costume Assistant |
| Costume & Make-Up | Cáitlín Keenan | Costume Coordinator |
| Costume & Make-Up | Alejandra McNamara | Costume Assistant |
| Costume & Make-Up | Ciara O'Toole | Assistant Costume Designer |
| Production | Jack Farrelly | Assistant Location Manager |
