USA / English 121 min. Buy Knowing at Amazon.com
| Producer: Topher Dow, Steve Tisch, Todd Black, Norman Golightly, Jason Blumenthal, Stephen Jones, David Alper, Aaron Kaplan, Sean Perrone, David J. Bloomfield |
| Director: Alex Proyas |
| Writer: Juliet Snowden, Ryne Douglas Pearson, Stiles White |
| Photography: Simon Duggan |
| John Koestler: | Nicolas Cage |
| Caleb Koestler: | Chandler Canterbury |
| Diana Wayland: | Rose Byrne |
| The Stranger: | D.G. Maloney |
| Lucinda Embry / Abby Wayland: | Lara Robinson |
| Grace Koestler: | Nadia Townsend |
| Rev. Koestler: | Alan Hopgood |
| Allison: | Adrienne Pickering |
| Younger Caleb: | Joshua Long |
| Miss Taylor: | Alethea McGrath |
| Principal Clark: | David Lennie |
| Lucinda's Mother: | Tamara Donnellan |
| Lucinda's Father: | Travis Waite |
| Phil Beckman: | Ben Mendelsohn |
| Donald: | Gareth Yuen |
| Stacey: | Lesley Anne Mitchell |
| Spencer: | Liam Hemsworth |
| Teacher: | Raymond Thomas |
| Boy: | Jake Bradley |
| Carpool Mate #2: | Jean-Michael Tan |
| Patrolman: | Rody Claude |
| Flight Attendant: | Alyssa McClelland |
| Man in Duffle Coat: | Ali Ammouchi |
| Transit Officer: | Andrew Lyons |
| Woman with Baby: | Menik Gooneratne |
| Male Commuter: | Chris McClean |
| Train Driver: | Marc Lawrence |
| Cashier: | Terry Camilleri |
| Jeep Driver: | Erin Klein |
| Reporter #1: | Angie Diaz |
| Reporter #2: | Breanne Bergs |
| Reporter #3: | Georgia Bolton |
| Reporter #4: | Jo Buckley |
| Student: | Archie Kirkland |
| Kid with Glasses: | Sara Reed |
| News Anchor #1: | Ted Maynard |
| News Anchor #2: | Anna Anderson |
| News Anchor #4: | Tony Porter |
| News Anchor #5: | Rob McPherson |
| Newscaster #1: | David Whiteley |
| Newscaster #2: | Miles Paras |
| Newscaster #3: | Clare Chihambakwe |
| Coast Patrol Official: | Michael C. Gwynne |
| Weatherman: | Markus Hamilton |
| Man on Sidewalk: | Brendan Bacon |
| Stranger #1: | Joel Bow |
| Stranger #2: | Maximillian Paul |
| Stranger #3: | Karen Hadfield |
| Traffic Cop: | Matt Boesenberg |
| Army General: | Jim Knobeloch |
| Head Paramedic: | Steve Mouzakis |
| Assistant Paramedic: | Sonya Suares |
| Jessica: | Ra Chapman |
| John's Mother: | Benita Collings |
| Kim: | Verity Charlton |
| Lady on Train: | Janet Foye |
| Rioter: | Sally Anne Arnott |
| News Anchor #3: | Kate Doherty |
| University Teacher #1: | Brett Robson |
| Barcode | Edition | Format | Disks | Region | Release Date |
| 9339065002034 | DVD | 1 | Region 1 | ||
| 4009750206478 | DVD | 1 | Region 1 | ||
| 5690874022816 | DVD | 1 | Region 2 | ||
| 5708758676939 | Blu-ray Disc | 1 | Region B | 2009 sep 30 | |
| 4010324037305 | Blu-ray Disc | 1 | 2009 aug 28 | ||
| 4010324027221 | DVD | 1 | 2009 aug 28 | ||
| 774212101427 | DVD | 1 | Region 1 | 2009 jul 7 | |
| 9339065002133 | Blu-ray Disc | 1 | Region A, Region B, Region C | 2009 | |
| 5030305512385 | DVD | 1 | Region 2 | 2009 aug 3 | |
| 5030305512354 | 1 Disc | Blu-ray Disc | 1 | Region 1, Region B | 2009 aug 3 |
| 9339065002010 | Blu-ray Disc | 1 | Region A, Region B, Region C | 2009 jul 7 | |
| 774212101311 | DVD | 1 | 2009 jul 7 | ||
| 774212101328 | Blu-ray Disc | 1 | Region 1 | 2009 jul 7 | |
| 025192031892 | Blu-ray Disc | 1 | Region 1 | 2009 jul 7 | |
| 025192031885 | DVD | 1 | Region 1 | 2009 jul 7 |