For centuries, a secret Order of priests has existed within the Church. A renegade priest, Father Alex Bernier, is sent to Rome to investigate the mysterious death of one of the Order's most revered members. Following a series of strangely similar killings, Bernier launches an investigation that forces him to confront unimaginable evil.
| Art | Miljen Kreka Kljaković | Production Design |
| Directing | Brian Helgeland | Director |
| Writing | Brian Helgeland | Screenplay |
| Production | Craig Baumgarten | Producer |
| Production | Brian Helgeland | Producer |
| Production | Thomas M. Hammel | Executive Producer |
| Production | Michael Kuhn | Executive Producer |
| Sound | David Torn | Original Music Composer |
| Camera | Nicola Pecorini | Director of Photography |
| Editing | Kevin Stitt | Editor |
| Production | Donna Isaacson | Casting |
| Production | Giovanni Lovatelli | Co-Producer |
| Costume & Make-Up | Caroline Harris | Costume Design |
| Costume & Make-Up | Alessandro Bertolazzi | Makeup Department Head |
| Art | Branimir Babić | Art Direction |
| Art | Domenico Sica | Co-Art Director |
| Art | Claudio Villa | Leadman |
| Art | Giancarlo Di Fusco | Painter |
| Art | Franco Fumagalli | Set Decoration |
| Art | Valeria Paoloni | Set Decoration Buyer |
| Camera | Stefano Falivene | Camera Operator |
| Camera | Jürgen Vollmer | Still Photographer |
| Costume & Make-Up | Tim Scotti-Henson | Assistant Costume Designer |
| Costume & Make-Up | Giorgio Gregorini | Key Hair Stylist |
| Costume & Make-Up | Paola Gattabrusi | Makeup Artist |
| Costume & Make-Up | Neill Gorton | Makeup Designer |
| Costume & Make-Up | Giovanni Lipari | Set Costumer |
| Costume & Make-Up | Simona Batistelli | Set Dressing Artist |
| Crew | Ennio Meloni | Carpenter |
| Crew | Paolo Bernardini | Driver |
| Crew | Robin Eberspacher | Loader |
| Crew | Stuart Conran | Makeup Effects |
| Crew | Lonnie A. Mathes | Post Production Assistant |
| Crew | Charlie Davis | Post Production Supervisor |
| Crew | Antonio Murer | Propmaker |
| Crew | Guy Hebeler | Scenic Artist |
| Crew | Leonardo Bertini | Set Production Assistant |
| Crew | Daniel Acon | Special Effects Coordinator |
| Crew | Franco Maria Salamon | Stunt Coordinator |
| Crew | Giorgio Antonini | Stunts |
| Crew | Enrico Latella | Transportation Captain |
| Crew | Gabriella Di Santo | Transportation Coordinator |
| Production | Federico Foti | Unit Production Manager |
| Crew | Stanley Brossette | Unit Publicist |
| Crew | Alessandra Sangermano | Video Assist Operator |
| Crew | Kristopher Kasper | Visual Effects Editor |
| Editing | Dennis McNeill | Color Timer |
| Lighting | Michele Giuseppe Lacerenza | Electrician |
| Production | Erik Paoletti | Location Manager |
| Production | Kevin Richard Buxbaum | Production Accountant |
| Production | Cecilia Alvarenga | Production Coordinator |
| Sound | Pierre-Yves Bruneel | Boom Operator |
| Sound | Adam Milo Smalley | Music Editor |
| Sound | Matt Dunkley | Orchestrator |
| Sound | Bernard Bats | Production Sound Mixer |
| Sound | William Jacobs | Sound Editor |
| Sound | Brian W. Jennings | Sound Effects Editor |
| Sound | Bill W. Benton | Sound Re-Recording Mixer |
| Sound | Jon Johnson | Supervising Sound Editor |
| Visual Effects | Gunther Schatz | 3D Supervisor |
| Visual Effects | Mark Bakowski | Digital Compositors |
| Visual Effects | Terry Glass | Special Effects Supervisor |
| Visual Effects | Jason Snyman | Visual Effects |
| Visual Effects | James D. Tittle | Visual Effects Coordinator |
| Visual Effects | Lindsay Hallett | Visual Effects Producer |
| Visual Effects | Ian Hunter | Visual Effects Supervisor |
| Production | Jurgen Proschinger | Finance |
| Production | Andrea Alunni | Unit Manager |
| Directing | Sergio Ercolessi | First Assistant Director |
| Sound | Petra Bach | ADR Editor |
| Art | Alessandra Querzola | Lead Set Dresser |
| Art | Stefano Morbidelli | Set Dresser |
| Costume & Make-Up | Marco Scotti | Wardrobe Supervisor |
| Directing | Barbara Pastrovich | Second Assistant Director |
| Production | Damian Anderson | Assistant Production Coordinator |
| Production | Krassimir Ivanov | Casting Assistant |
| Production | Suzanne Smith Crowley | Local Casting |
| Sound | Bruce Stubblefield | ADR Supervisor |
| Sound | Brad Sokol | Assistant Sound Editor |
| Visual Effects | Erik Lee | CG Animator |
| Production | Suzanne Smith Crowley | Casting |
| Production | Gilly Poole | Casting |
| Production | Piero Proietti | Extras Casting |
| Production | Tonino Proietti | Extras Casting |
| Production | Shaila Rubin | Casting |
| Editing | Peter McNulty | Additional Editor |
| Editing | Stephen M. Rickert Jr. | Assistant Editor |
| Costume & Make-Up | Stefania Corsetti | Costume Assistant |
| Directing | Livia Tovoli | Second Second Assistant Director |
| Directing | Franco Maria Salamon | Second Unit Director |
| Art | Cristiano Donzelli | Storyboard Artist |
| Sound | Miguel Rivera | Foley Supervisor |
| Crew | Stefano Corridori | Special Effects Technician |
| Visual Effects | Nathan McGuinness | Senior Visual Effects Supervisor |
| Crew | Alessandro Novelli | Stunt Double |
| Camera | Marco Cuzzupoli | Assistant Camera |
| Camera | Francesco Di Giacomo | Focus Puller |
| Camera | Francisco Pintore | Second Assistant "A" Camera |
| Production | Filippo Lovatelli | Assistant Location Manager |
| Sound | Matt Dunkley | Conductor |
| Production | Rino Bonavita | Accountant |
| Production | Alessandro Fiorito | Assistant Accountant |
| Crew | Gerry Grennell | Dialect Coach |
| Production | Beatrice Giraud | First Assistant Accountant |
| Production | Corrado Meotti | Key Set Production Assistant |
| Production | Flavio De Simone | Production Assistant |
| Production | Giorgia Pellegrini | Production Secretary |
| Sound | Tracy Bolt | Sound Recordist |
| Art | Antonio Fraulo | Property Master |
| Costume & Make-Up | Giovanni Scotti | Wardrobe Master |
