Ali Larter as Clear Rivers

A. J. Cook as Kimberly Corman

Michael Landes as Thomas Burke

David Paetkau as Evan Lewis

James Kirk as Tim Carpenter

Lynda Boyd as Nora Carpenter

Keegan Connor Tracy as Kat

Jonathan Cherry as Rory

Terrence 'T.C.' Carson as Eugene Dix

Justina Machado as Isabella Hudson

Tony Todd as Mr. Bludworth

Sarah Carter as Shaina

Alejandro Rae as Dano

Shaun Sipos as Frankie

Andrew Airlie as Mr. Corman

Christina Jastrzembska as Administrator

Eileen Pedde as Anesthesiologist

Jill Krop as Anchorwoman

Marrett Green as Anchorman

Don Bell as Biker

Odessa Munroe as Biker's Girlfriend

Noel Fisher as Brian Gibbons

Benita Ha as Dental Receptionist

Aaron Douglas as Deputy Steve

Eric Keenleyside as Detective Suby

Enid-Raye Adams as Dr. Kalarjian

Fred Henderson as Dr. Lees

Veena Sood as ER Nurse

David Purvis as Guest

Marke Driesschen as Host

Darcy Laurie as Man in Elevator

John R. Taylor as Man with Hooks

Alf Humphreys as Mr. Gibbons

Chilton Crane as Mrs. Gibbons

Sarah J. Kamal as Nurse in Delivery Room

Klodyne Rodney as Obestetrician

Rheta Hutton as On-Ramp Lady

John Stewart as Paramedic at Farm

Cam Cronin as Paramedic at Hospital

Alison Matthews as Physician

Mark Lukyn as Rescue Worker

Lorne Stewart as Skate Rat

Jenny Lang as Young Woman