Sandra Bullock (Ruth Slater), Viola Davis (Liz Ingram), Vincent D'Onofrio (John Ingram), Jon Bernthal (Blake), Richard Thomas (Michael Malcolm), Linda Emond (Rachel Malcolm), Aisling Franciosi (Katherine Malcolm) more..., Emma Nelson (Emily Malcolm), Will Pullen (Steve Whelan), Tom Guiry (Keith Whelan), Jess McLeod (Hannah Whelan), Rob Morgan (Vincent Cross), Andrew Francis (Corey), W. Earl Brown (Mac Whelan), Orlando Lucas (Ryan Ingram), Jude Wilson (Daniel Ingram), Paul Moniz de Sa (Contractor), Craig March (Foreman), Alistair Abell (Police Sergeant), Donavon Stinson (Police Officer), Patti Kim (Patty), William Belleau (Bob Farrior), Viv Leacock (Cameron), Toby Hargrave (Stan), Bobbi Charlton (Miss Tiffany), Willy Ross (Retired Cop), Carolyn Field (Roommate #1), Joyanna Tonge (Roommate #2), Michelle Choi-Lee (Receptionist), Angela Moore (Corrections Officer #1), Simon Chin (Corrections Officer #2), Cynthia Loewen (Chantal), Sarah Kelley (Wanda), Kelly-Ruth Mercier (Corrections Officer #3), Flossie McKnight (Transitional House Woman), Julie Tao (Asian College Student), Art Kitching (Young Cop), Aaron Pearl (Ruth's Father), Janet Walmsley (Mom Whelan)

Hans Zimmer (Original Music Composer), Francine Maisler (Casting), Guillermo Navarro (Director of Photography), Graham King (Producer), Sandra Bullock (Producer), Greg P. Russell (Sound Re-Recording Mixer), Sean McCormack (Supervising Sound Editor) more..., Veronica Ferres (Producer), James Steuart (Supervising Art Director), Colin Vaines (Executive Producer), Peter Craig (Screenplay), Hillary Seitz (Screenplay), Kim Jennings (Production Design), Joe Walker (Editor), Sally Wainwright (Executive Producer), Sally Wainwright (Story), Sally Wainwright (Series Writer), Nicola Shindler (Executive Producer), Laura Downing (Costumer), Nan Morales (Executive Producer), Michael Minkler (Sound Re-Recording Mixer), Steve Garrad (Visual Effects Producer), Whitney James (Makeup Artist), Michael Babcock (Sound Designer), Shannon Gottlieb (Set Decoration), Alex Bovaird (Costume Design), Chris Duesterdiek (Sound Mixer), Courtenay Miles (Screenplay), Jeff Hinton (ADR Mixer), David Fleming (Original Music Composer), Kyle White (Set Designer), Karen Heston (Visual Effects Supervisor), Natalie Van Hest (Art Direction), Stephan Bechinger (Editor), Janice Swayze (Costume Supervisor), Andy Walker (Visual Effects Supervisor), Duane Dickinson (Stunts), Jeff Sanca (Stunts), Melissa R. Stubbs (Stunt Coordinator), Andrew Coppin ("B" Camera Operator) and others.