Elliot Page
Courtney

Diego Luna
Ray

Nina Dobrev
Marlo

James Norton
Jamie

Kiersey Clemons
Sophia

Beau Mirchoff
Brad Mauser

Wendy Raquel Robinson
Sophia's Mother

Kiefer Sutherland
Dr. Barry Wolfson

Madison Brydges
Tessa

Jacob Soley
Alex

Anna Arden
Alicia

Miguel Anthony
Cyrus Gudgeon

Jenny Raven
Irina Wong

Charlotte McKinney
Girl on Bicycle

Steve Byers
Marlo's Brother

Lisa Codrington
Chief Resident

Emily Piggford
Neurology Resident #1

Martha Girvin
Neurology Resident #2

Taylor Trowbridge
Lauren

Nadine Whiteman
Paramedic #1

Richard Young
The Dean's Secretary

Mary Grant
Radiologist

Stefano DiMatteo
Paramedic #2

Jimi Shlag
Burly Patient

Natasha Bromfield
ICU Nurse

Daniela Barbosa
Hayley

Jelena Savić
Conference Room Medical Student

Jessica Rose
Puzzle Nurse

Corey Chainey
Medical Student

Janet Porter
E.R. Doctor