 | Daniel Craig als Will Atenton |
 | Naomi Watts als Ann Patterson |
 | Rachel Weisz als Libby Atenton |
 | Marton Csokas als Jack Patterson |
 | Elias Koteas als Boyce |
 | Taylor Geare als Trish |
 | Claire Geare als Dee Dee |
 | Rachel G. Fox als Chloe Patterson |
 | Jane Alexander als Dr. Greeley |
 | Brian Murray als Dr. Medlin |
 | Bernadette Quigley als Heather Keeler |
 | Sarah Gadon als Cindi |
 | Gregory Smith als Artie |
 | David Huband als Officer Nelson |
 | Martin Roach als Tommy |
 | Lynne Griffin als Sadie |
 | Jonathan Potts als Tony Ferguson |
 | Joe Pingue als Martin |
 | Jean Yoon als New Editor |
 | Marley Otto als Young Author |
 | Nigel Henry als Author's Assistant / Guard 1 |
| Bryon Mumford als Author's Assistant / Guard 2 |
 | Ryan Blakely als Harkness Client |
 | Karen Glave als Harkness Receptionist |
 | David Fox als Building Inspector |
| Adam Chuckryk als Officer Knight (uncredited) |
 | James Collins als Police Officer (uncredited) |
 | Kevin Hanchard als Sgt. Johnson (uncredited) |
| Kevin B Hartley als Publishing Office Worker |
 | Yulia Lukin als Waitress (uncredited) |
 | Douglas Nyback als Angry Motorist (uncredited) |
 | Chris Owens als Tom Barrion (uncredited) |
 | Robert J. Tavenor als Angrier Motorist (uncredited) |
 | Mark Wilson als Capt. Conklin |
| Avy Kaufman | Casting |
| Mike Drake | Executive Producer |
| David Robinson | Producer |
| Glen Scantlebury | Editor |
| Daniel Bobker | Producer |
| Caleb Deschanel | Director of Photography |
| Jim Sheridan | Director |
| Ehren Kruger | Producer |
| Delphine White | Costume Design |
| David Loucka | Screenplay |
| Carol Spier | Production Design |
| Barbara Tulliver | Editor |
| John Debney | Original Music Composer |
| James G. Robinson | Producer |
| Rick Nicita | Executive Producer |
| Mary Stuart | Visual Effects Producer |
| Donald Mowat | Makeup Department Head |
| Michael Madden | Set Designer |
| Yale Kozinski | Visual Effects Editor |
| George Kraychyk | Still Photographer |
| Marc Kolbe | Visual Effects Producer |
| John Stoneham Jr. | Stunt Coordinator |
| Joe Curtin | Construction Coordinator |
| Dion Hatch | Visual Effects Supervisor |
| Lise Richardson | Music Editor |
| Kathryn Buck | Script Supervisor |
| Ryan Trygstad | Hairstylist |
| Joe Ken | Digital Intermediate |
| Robert Tenaglia | Transportation Coordinator |
| Joseph Bell | Visual Effects Producer |
| Elinor Rose Galbraith | Art Direction |
| Judy Chin | Makeup Artist |
| Dusty Reeves | Art Department Coordinator |
| George Macri | Visual Effects Producer |
| Aleksandra Marinkovich | Set Designer |
| Bryan Arenas | Dolby Consultant |
| Andy Kaplan | Digital Intermediate |
| Peter Nicolakakos | Set Decoration |
| Jo-Ann MacNeil | Makeup Artist |
| Hector C. Gika | Sound Effects Editor |
| Daniel J. Leahy | Sound Re-Recording Mixer |
| Laurel Bresnahan | Studio Teachers |
| Kyra Panchenko | Makeup Artist |
| Devin Sterling | Digital Intermediate |
| Will Hoddinott | Location Manager |
| Vincent Sullivan | Hairstylist |
| Carol Hartwick | Hairstylist |
| Tom Mahoney | Visual Effects Supervisor |
| Ciara Brennan | Costume Supervisor |
| Fortunato Frattasio | Digital Effects Supervisor |
| Michael Carella | Camera Operator |
| Angelo Colavecchia | Camera Operator |
| Stefan Sonnenfeld | Digital Intermediate |
| Colin Davies | Visual Effects Supervisor |
| Zoe Tahir | Hairstylist |
| Tom Bellfort | Supervising Sound Editor |
| Gary Summers | Sound Re-Recording Mixer |
| Luis F. Pazos | Visual Effects Editor |
| Rebecca Ramsey | Visual Effects Producer |
| Jeff Carson | Music Editor |
| Kevin Kaska | Orchestrator |
| Marlene Aarons | Makeup Artist |
| Gavin Coford | Boom Operator |
| Tim Campbell | Painter |
| Jim Peters | Greensman |
| Paul Jefferson | Carpenter |
| Melinda Ramsay | Special Effects Coordinator |
| Walter Gasparovic | First Assistant Director |
| Patrick Cusack | Foley Editor |
| Jordon Toms | Dolly Grip |
| Dave Jordan | Music Supervisor |
| David Neil Trifunovich | Special Effects Supervisor |
| Doug Novis | Best Boy Electric |
| Charles Martin Inouye | Music Editor |
| Sabine Graham | Production Coordinator |
| Clara Brennan | Costume Supervisor |
| Phil Whitfield | Best Boy Electric |
| Joseph S. DeBeasi | Music Editor |
| Michael Galbraith | Gaffer |
| Ron Renzetti | Dolly Grip |
| Maria Belperio | Seamstress |
| Robin D. Cook | Casting |
| Charles L. Gariepy | Casting Assistant |
| Leeba Zakharov | Casting Associate |
| Lyn Lucibello | Unit Production Manager |
| Millie Tom | Casting Associate |
| Sabrina Hyman | Casting Associate |
| Jonathan Oliveira | Casting Assistant |
| Dan Genetti | Post Production Supervisor |
| Christopher Geggie | Property Master |
| Nerses Gezalyan | Foley Mixer |
| Michael Rivera | ADR Recordist |
| Matthew McKenzie | ADR Mixer |
| Michael J. Broomberg | Foley Artist |
| Greg Steele | ADR Mixer |
| Greg Zimmerman | ADR Recordist |
| Laura Harris Atkinson | ADR Editor |
| Julio Carmona | ADR Recordist |
| Bruce Carwardine | Sound Mixer |
| Bobby Johanson | ADR Mixer |
| Brian Gallagher | ADR Mixer |
| Ron Bedrosian | ADR Mixer |
| Larissa Stadnichuk | Stunts |
