 | Chaney Kley als Kyle Walsh |
 | Emma Caulfield Ford als Caitlin Greene |
 | Lee Cormie als Michael Greene |
 | Sullivan Stapleton als Officer Matt Henry |
 | Emily Browning als Young Caitlin Greene |
 | Angus Sampson als Ray |
 | Grant Piro als Larry Fleishman |
 | Steve Mouzakis als Dr. Peter Murphy |
 | Peter Curtin als Dr. Travis |
 | Kestie Morassi als Nurse Lauren |
| Jenny Lovell als Nurse Alexandra |
| John Stanton als Captain Henry |
| Joshua Anderson als Young Kyle |
| Rebecca McCauley als Kyle's Mom |
| Brian Tyler | Original Music Composer |
| Steve Mirkovich | Editor |
| Vincent Guisetti | Foley Artist |
| Derek Dauchy | Executive Producer |
| Keith Marbory | Special Effects Supervisor |
| James Vanderbilt | Screenplay |
| Randy Thom | Sound Designer |
| Randy Thom | Sound Re-Recording Mixer |
| Debbie Denise | Visual Effects Producer |
| Debbie Denise | Executive Visual Effects Producer |
| George Liddle | Production Design |
| Dan Laustsen | Director of Photography |
| Stephen F. Windon | Additional Photography |
| William Sherak | Producer |
| Lou Arkoff | Executive Producer |
| Jason Shuman | Producer |
| Tim Mirkovich | Assistant Editor |
| Tom Nursey | Art Direction |
| Victoria Alonso | Visual Effects Producer |
| Timothy Alverson | Editor |
| John Fasano | Screenplay |
| John Fasano | Producer |
| Jonathan Liebesman | Director |
| Joe Harris | Screenplay |
| John Hegeman | Producer |
| Karl Engeler | Chief Lighting Technician |
| Rebecca Cohen | Set Decoration |
| Glenn Ruehland | Stunt Coordinator |
| Anna Borghesi | Costume Design |
| Janie Parker | Assistant Property Master |
| Miranda Colman | Third Assistant Director |
| Gary Krause | Music Editor |
| Gary Rizzo | Sound Re-Recording Mixer |
| Anthony Harris | Digital Color Timer |
| Maura Fay | Casting |
| Shirley Jaffe | In Memory Of |
| Lynne Ruthven | Casting |
| Judy Bunn | Costume Design |
| Shane Phillips | Costume Design |
| Jane Summer-Eve | Costume Design |
| Martin Turner | Second Unit Director of Photography |
| John Fox | Armorer |
| Rolland Pike | Property Master |
| Frank E. Eulner | Supervising Sound Editor |
| Joe Lisanti | Music Editor |
| Paula Whiteway | Set Designer |
| Steven Ticknor | Supervising Sound Editor |
| Dan Schmit | Visual Effects Supervisor |
| Lisa K. Fowle | Sound |
| Diana Freeman | Art Department Coordinator |
| Ken Fischer | Sound Editor |
| Pamela Kahn | Foley |
| Jason W. Jennings | Sound Effects Editor |
| Fiona Searson | Unit Publicist |
| Michael J. Benavente | Supervising ADR Editor |
| Scott Guitteau | Sound Effects Editor |
| John Schiefelbein | Production Sound Mixer |
| Cheryl Williams | Key Hair Stylist |
| Erica Wells | Makeup Artist |
| Todd Tucker | Special Effects Makeup Artist |
| Tony Williams | Assistant Art Director |
| Fergus Leese | Construction Coordinator |
| Reece Cliff | Greensman |
| Mario Peraic | Greensman |
| Gregg Thomas | Greensman |
| Martin Bruveris | Scenic Artist |
| Jenny Hitchcock | Set Designer |
| Alison Fisher | Dialogue Editor |
| Lisa Wang | Special Effects Coordinator |
| Damien Gray | Animation |
| Bernadette Hayes | Animation |
| Murray Pope | Visual Effects Producer |
| Belinda Bennetts | Visual Effects Supervisor |
| Kevin J. Jolly | Visual Effects Editor |
| Harry Panagiotidis | Camera Operator |
| Harry Panagiotidis | Steadicam Operator |
| Suzy Wood | Still Photographer |
| Mark Rogers | Additional Still Photographer |
| Gillian Huxley | Rigging Gaffer |
| Keryn Ribbands | Costume Supervisor |
| Lyn Jones | Production Accountant |
| Jo Weeks | Script Supervisor |
| Alistair Reilly | Location Manager |
| Kyle Rochlin | Foley Mixer |
| Howard London | ADR Mixer |
| Robert Elhai | Orchestrator |
| Lisa Chino | Assistant Sound Editor |
| Vivien Mepham | Makeup Designer |
| Chris Navarro | ADR Recordist |
| Richard R. Hoover | Visual Effects Supervisor |
| Todd Mesher | Visual Effects Compositor |
| Christian Boudman | Digital Compositors |
| Luke Green | Stand In |
| Lauren Kisilevsky | Associate Producer |
| Irene Dobson | Line Producer |
| Brianna Seale | Art Department Assistant |
| Liala Allain | Set Painter |
| Rain Hart | Production Illustrator |
| Tov Belling | First Assistant Camera |
| Rob Hansford | Key Grip |
| Monica Cogan | Set Dresser |
| Lance Beriman | Carpenter |
| Jim Conrads | Post Production Supervisor |
| Laura May Alcock | Unit Production Manager |
| James Kalisch | Video Assist Operator |
| Jamie Crooks | First Assistant Director |
| Bradley Galgon | Electrician |
| Grant Kennelly | Key Rigging Grip |
| Suzanne Evans-Booth | Production Coordinator |
| Ben Faiman | Boom Operator |
| Jeff Vaughn | Scoring Mixer |
| Steven Anthony Khoury | 3D Supervisor |
| Brandon England | Visual Effects |
| Graeme Callander | Storyboard Artist |
| David Hunter | Editorial Services |
| Grayden Le Breton | Unit Manager |
| Brett Praed | Stunt Double |
| Chris Hansford | Grip |
| Andrew Jerram | Assistant Camera |
| Jay Torta | Camera Operator |
| Marlen Hill | Negative Cutter |
| Glenn Arrowsmith | Grip |
| Jason Faulkner | Second Assistant Director |
| Tricia Linklater | First Assistant Sound Editor |
| Lusia Carovola | Assistant Set Dresser |
| Ahmet Ahmet | Title Designer |
| Michelle Whitehurst | Assistant Production Coordinator |
| Damian Heckendorf | Grip |
| Damir Peranovic | Costumer |
| Peter Armstrong | Special Effects Technician |
| Amanda Buchanan | Stunts |
| Hayes Brien | Special Effects Assistant |
| Geoff Skilbeck | Second Assistant Camera |
| Michael Madigan | Assistant Location Manager |
| Phillip Gore | Assistant Accountant |
| Lisa Wright | Extras Casting |
| Devin Bailey | Production Assistant |
| Brianna Mann | Production Secretary |
| Anthony Veith | Electrician |
| Richard Turton | Electrician |
| Adrian Goodwin | Grip |
