Nicole de Boer as Marissa Davis

Lochlyn Munro as Cal Ward

Gina Holden as Heather Ward

Dan Payne as Peter Vaughn

Karin Konoval as Cynthia

Jason Cermak as Ethan Fox

James Kidnie as Dr. Novak

Iris Quinn as Rose Davis

Elizabeth Weinstein as Director

Jacob Richter as Jake

J.C. Williams as Police Officer

Richard Keats as Dr. Lapointe

Christos Shaw as Thomas

Arpad Balogh as Detective MacNeil

Hannah Longworth as Abbie Davis

Riun Garner as Medical Student

Devon Alexander as Paramedic

Paul Turner as Channel 3 Senior News producer

Cameron Crosby as Bike Courier

David Winning as Dr. Loomis / Newsroom Jamie / SWAT Commander (voice) (uncredited)

Don McLeod as Berkshire