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.
as Susannah Cahalan
as Stephen Grywalski
as Tom Cahalan
as Rhona Nack
as Margo
as Richard
as Allen
as Giselle
as Senator
as Dr. Najjar
as Dr. Ryan
as Dr. Khan
as Dr. Siskin
as Dr. Samson
as Dr. Han
as EEG Tech
as Intern
as Publicist
as Young Nurse
as Young Waitress
as Woman
as Guy