Jamie Dornan as Dr. Allan Pascal

Sarah Gadon as Natalie Drax

Aaron Paul as Peter Drax

Molly Parker as Dalton

Aiden Longworth as Louis Drax

Oliver Platt as Dr. Perez

Barbara Hershey as Violet Drax

Julian Wadham as Dr. Janek

Jane McGregor as Sophie

Fiona Vroom as Receptionist

Terry Chen as Elliott

Anjali Jay as Macy

Lina Roessler as Caitlin

Luke Camilleri as Alex

Alex Zahara as Eduardo Navarra

Beckham Skodje as Louis (Age 2)

Anthony Shudra as Milo

Nels Lennarson as Morgue Technician

Michael Adamthwaite as Doctor (C-Section)

Iris Paluly as Psych Patient #1

David Lloydy as Psych Patient #2

Justin Bowe as Jack

Sarah-Jane Redmond as Helen

Adam Abrams as X-Ray Doctor

Goldie Hoffman as ER Nurse

Randi Lynne as ER Nurse

John Hainsworth as ER Patient

Spencer Drever as Bully Kid (uncredited)

Dakota Guppy as Young Girl (uncredited)