 | Heath Ledger als Alex Bernier |
 | Shannyn Sossamon als Mara Sinclair |
 | Benno Fürmann als William Eden |
 | Mark Addy als Thomas Garrett |
 | Peter Weller als Driscoll |
 | Francesco Carnelutti als Dominic |
 | Mattia Sbragia als Apathetic Bishop |
| Paola Emilia Villa als Sister Marie |
| Giulia Lombardi als Little Girl |
| Mirko Casaburo als Little Boy |
 | Richard Bremmer als Bookstore Owner |
 | Rosalinda Celentano als Faraway Eyes Girl |
 | Alessandra Costanzo als Eden's Maid |
 | Maria Cristina Maccà als Sister Franca |
 | Paolo Lorimer als Englishman |
| Suzanne Crowley | Casting |
| Suzanne Crowley | Local Casting |
| Donna Isaacson | Casting |
| Brian Helgeland | Screenplay |
| Brian Helgeland | Director |
| Brian Helgeland | Producer |
| Michael Kuhn | Executive Producer |
| Shaila Rubin | Casting |
| Damian Anderson | Assistant Production Coordinator |
| Craig Baumgarten | Producer |
| Kevin Stitt | Editor |
| Daniel Acon | Special Effects Coordinator |
| Franco Maria Salamon | Stunt Coordinator |
| Franco Maria Salamon | Second Unit Director |
| Nicola Pecorini | Director of Photography |
| Miljen Kreka Kljaković | Production Design |
| Alessandra Querzola | Lead Set Dresser |
| Neill Gorton | Makeup Designer |
| Franco Fumagalli | Set Decoration |
| David Torn | Original Music Composer |
| Thomas M. Hammel | Executive Producer |
| Branimir Babić | Art Direction |
| Bruce Stubblefield | ADR Supervisor |
| Caroline Harris | Costume Design |
| Giorgio Antonini | Stunts |
| Paolo Bernardini | Driver |
| Bernard Bats | Production Sound Mixer |
| Giorgio Gregorini | Key Hair Stylist |
| Peter McNulty | Additional Editor |
| Stefano Falivene | Camera Operator |
| Francesco Di Giacomo | Focus Puller |
| Matt Dunkley | Orchestrator |
| Matt Dunkley | Conductor |
| Alessandro Novelli | Stunt Double |
| Filippo Lovatelli | Assistant Location Manager |
| Alessandro Bertolazzi | Makeup Department Head |
| Gilly Poole | Casting |
| Marco Scotti | Wardrobe Supervisor |
| Nathan McGuinness | Senior Visual Effects Supervisor |
| Adam Milo Smalley | Music Editor |
| Bill W. Benton | Sound Re-Recording Mixer |
| Ian Hunter | Visual Effects Supervisor |
| Miguel Rivera | Foley Supervisor |
| Jon Johnson | Supervising Sound Editor |
| Jürgen Vollmer | Still Photographer |
| Kristopher Kasper | Visual Effects Editor |
| Lindsay Hallett | Visual Effects Producer |
| Alessandra Sangermano | Video Assist Operator |
| Andrea Alunni | Unit Manager |
| Brad Sokol | Assistant Sound Editor |
| Brian W. Jennings | Sound Effects Editor |
| Petra Bach | ADR Editor |
| William Jacobs | Sound Editor |
| Stuart Conran | Makeup Effects |
| Gunther Schatz | 3D Supervisor |
| Enrico Latella | Transportation Captain |
| Gerry Grennell | Dialect Coach |
| Giovanni Lovatelli | Co-Producer |
| Krassimir Ivanov | Casting Assistant |
| Domenico Sica | Co-Art Director |
| Stephen M. Rickert Jr. | Assistant Editor |
| Mark Bakowski | Digital Compositors |
| Charlie Davis | Post Production Supervisor |
| Dennis McNeill | Color Timer |
| Lonnie A. Mathes | Post Production Assistant |
| Terry Glass | Special Effects Supervisor |
| Stanley Brossette | Unit Publicist |
| James D. Tittle | Visual Effects Coordinator |
| Pierre-Yves Bruneel | Boom Operator |
| Claudio Villa | Leadman |
| Giancarlo Di Fusco | Painter |
| Valeria Paoloni | Set Decoration Buyer |
| Tim Aslam | Assistant Costume Designer |
| Paola Gattabrusi | Makeup Artist |
| Giovanni Lipari | Set Costumer |
| Simona Batistelli | Set Dressing Artist |
| Ennio Meloni | Carpenter |
| Erik Lee | CG Animator |
| Robin Eberspacher | Loader |
| Antonio Fraulo | Property Master |
| Antonio Murer | Propmaker |
| Guy Hebeler | Scenic Artist |
| Leonardo Bertini | Set Production Assistant |
| Tracy Bolt | Sound Recordist |
| Gabriella Di Santo | Transportation Coordinator |
| Federico Foti | Unit Production Manager |
| Sergio Ercolessi | First Assistant Director |
| Michele Giuseppe Lacerenza | Electrician |
| Erik Paoletti | Location Manager |
| Kevin Richard Buxbaum | Production Accountant |
| Cecilia Alvarenga | Production Coordinator |
| Jason Snyman | Visual Effects |
| Jurgen Proschinger | Finance |
| Stefano Corridori | Special Effects Technician |
| Stefano Morbidelli | Set Dresser |
| Barbara Pastrovich | Second Assistant Director |
| Francisco Pintore | Second Assistant "A" Camera |
| Alessandro Fiorito | Assistant Accountant |
| Piero Proietti | Extras Casting |
| Tonino Proietti | Extras Casting |
| Stefania Corsetti | Costume Assistant |
| Livia Tovoli | Second Second Assistant Director |
| Cristiano Donzelli | Storyboard Artist |
| Marco Cuzzupoli | Assistant Camera |
| Rino Bonavita | Accountant |
| Beatrice Giraud | First Assistant Accountant |
| Corrado Meotti | Key Set Production Assistant |
| Flavio De Simone | Production Assistant |
| Giorgia Pellegrini | Production Secretary |
| Giovanni Scotti | Wardrobe Master |
