• 
  Alexandre Aja

  regizor

• 
  Max Minghella

  scenarist
• 
  Liz Jensen

  scenarist

• 
  Sarah Gadon

  Natalie
• 
  Aaron Paul

  Peter
• 
  Jamie Dornan

  Dr. Allan Pascal
• 
  Oliver Platt
• 
  Terry Chen

  Elliott

• 
  Lina Roessler

  Caitlin
• 
  Anjali Jay

  Macy
• 
  Luke Camilleri

  Alex
• 
  Aiden Longworth

  Louis Drax
• 
  Alex Zahara

  Eduardo Navarra
• 
  Julian Wadham

  Dr. Janek
• 
  Molly Parker

• 
  Nels Lennarson

  Morgue Technician
• 
  Jane McGregor

  Sophie
• 
  Iris Paluly

  Psych Patient
• 
  Fiona Vroom

  Receptionist
• 
  David Lloydy

  Freddy (Psych Patient)
• 
  Spencer Drever

  Bully Kid
• 
  Dakota Guppy

  Young Girl
• 
  Goldie Hoffman

  ER Doctor
• 
  Adam Abrams

  X-Ray Doctor
• 
  Justin Bowe

  Jack
• 
  John Hainsworth

  ER Patient
• 
  Randi Lynne

  ER Nurse
• 
  Michael Adamthwaite

  Doctor (C-Section)
• 
  Beckham Skodje

  Louis (Age 2)

• 
  Tim Bricknell

  producător
• 
  Maxime Alexandre

  imagine
• 
  Carla Hetland

  costume
• 
  Baxter

  montaj
• 
  Rachel O'Toole

  design de producţie
• 
  Kate Marshall

  decoruri