

It's not supposed to happen. Be prepared when it does.
February 22, 2017
1h 28m
EN
Gerard Barrett
Susannah Cahalan, an up-and-coming journalist at the New York Post becomes plagued by voices in her head and seizures, causing a rapid descent into insanity.

Chloë Grace Moretz
Susannah Cahalan

Thomas Mann
Stephen Grywalski

Richard Armitage
Tom Cahalan

Carrie-Anne Moss
Rhona Nack



Gerard Barrett, Susannah Cahalan
1,427
Jenny Slate
Margo

Tyler Perry
Richard

Alex Zahara
Allen

Jenn MacLean-Angus
Giselle

Ken Tremblett
Senator

Navid Negahban
Dr. Najjar

Denver & Delilah Productions
US
Foundation Features
N/A
Blank Pages Productions
N/A

Broad Green Pictures
US