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.

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Film Cast:

• Susannah Cahalan: Chloë Grace Moretz
• Stephen Grywalski: Thomas Mann
• Tom Cahalan: Richard Armitage
• Rhona Nack: Carrie-Anne Moss
• Margo: Jenny Slate
• Richard: Tyler Perry
• Allen: Alex Zahara
• Giselle: Jenn MacLean-Angus
• Senator: Ken Tremblett
• Dr. Najjar: Navid Negahban
• Dr. Ryan: Robert Moloney
• Dr. Khan: Agam Darshi
• Dr. Siskin: Janet Kidder
• Dr. Samson: Vincent Gail
• Dr. Han: Daniel Bacon
• EEG Tech: Alison Araya
• Intern: Brian McCaig
• Publicist: Elizabeth Bowen
• Young Nurse: Nicole LaPlaca
• Young Waitress: Lindsay Navarro
• Woman: Jessie Fraser
• Guy: Lee Majdoub

Film Crew:

• Producer: Charlize Theron
• Producer: A.J. Dix
• Production Design: Ross Dempster
• Producer: Rob Merilees
• Producer: Lindsay MacAdam
• Original Music Composer: John Paesano
• Director of Photography: Yaron Orbach
• Producer: Beth Kono
• Co-Producer: Gerard Barrett
• Editor: JC Bond
• Novel: Susannah Cahalan
• Associate Producer: Jason Tobias
• Costume Design: Farnaz Khaki-Sadigh
• Associate Producer: Todd Giroux
• Executive Producer: Lisa Wolofsky

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