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