Brad Anderson Director Sam Worthington Ray Monroe Actor Lily Rabe Joanne Monroe Actor Stephen Tobolowsky Dr. Berthram Actor Lucy Capri Peri Monroe Actor Adjoa Andoh Dr. Isaacs Actor Stephanie Sy Nurse Anne Actor Lauren Cochrane Officer Childes Actor Natalie Malaika Young ER Receptionist Actor Erik Athavale Bruce Volk Actor Dennis Scullard Young Father Actor Shane Dean Officer Griggs Actor Chris Sigurdson Dr. Lucado Actor Chad Bruce Security Guard Jeff Actor Gabriel Daniels Orderly Drew Actor Marina Stephenson Kerr Receptionist #1 Actor Dorothy Carroll Admissions Clerk, Scrub Nurse Actor Muriel Hogue Store Cashier, Administrator Actor Eric Roesler-Yue Dale Fellows Actor Liberty Des Roches Dale's Mother Actor Jeff Strome Paramedic, Anesthesiologist Actor Ernesto Griffith Medican Intern, Janitor Actor Cheryl Soluk Knitting Woman Actor Miranda Weins Mother with Infant Actor Adrian McLean Sick Man Actor Will Woytowich State Cop #1 Actor Jay Palmer State Cop #2 Actor Alan Castanaga Friendly Orderly Actor Mark Dann Paramedic #2 Actor Cherrel Bergen Desk Nurse on Phone Actor Ernie Pitts Code Blue Doctor Actor Jessica Burleson Desk Nurse Restricted Area Actor Frederick Allen Man in Line Actor Carlos Walcott Morgue Orderly #1 Actor Derek James Trapp Morgue Orderly #2 Actor Alan B. McElroy Screenwriter Neal Edelstein Producer Mike Macari Producer Paul Schiff Producer Ian Dimerman Executive Producer Björn Charpentier Cinematographer Robert Mead Film Editing Anton Sanko Original Music Lauren Crasco Production Design Réjean Labrie Art Director Sandra Soke Costume Design Sheila Jaffe Casting Robert K. Laurie Set Decoration