Charlize Theron Producer
Chloë Grace Moretz Susannah Cahalan
Richard Armitage Tom Cahalan
Carrie-Anne Moss Rhona Nack
Elizabeth Bowen Publicist
Janet Kidder Dr. Siskin
Ken Tremblett Senator
Robert Moloney Dr. Ryan
Jenny Slate Margo
Daniel Bacon Dr. Han
Jessie Fraser Woman
Nicole LaPlaca Young Nurse
Jason Tobias Associate Producer
Navid Negahban Dr. Najjar
Tyler Perry Richard
Farnaz Khaki-Sadigh Costume Design
Ross Dempster Production Design
Gerard Barrett Director, Screenplay, Co-Producer
Alison Araya EEG Tech
Jenn MacLean-Angus Giselle
Agam Darshi Dr. Khan
JC Bond Editor
Alex Zahara Allen
Todd Giroux Associate Producer
Thomas Mann Stephen Grywalski
Lee Majdoub Guy
Lauro David Chartrand-DelValle Stunt Coordinator
Brian McCaig Intern
Susannah Cahalan Novel
Lindsay Navarro Young Waitress
Lindsay MacAdam Producer
Lisa Wolofsky Executive Producer
John Paesano Original Music Composer
A.J. Dix Producer
Rob Merilees Producer
Beth Kono Producer
Vincent Gail Dr. Samson
Yaron Orbach Director of Photography