Olivia Cooke
Amanda
Acting
Anya Taylor-Joy
Lily
Acting
Anton Yelchin
Tim
Acting
Paul Sparks
Mark
Acting
Francie Swift
Cynthia
Acting
Kaili Vernoff
Karen
Acting
Alyssa Fishenden
Jessica
Acting
Jackson Damon
Phil
Acting
James Haddad
Michael
Acting
Nolan Ball
Delivery Guy
Camera
Celeste Oliva
Receptionist
Acting
Stephanie Atkinson
Knitting Therapist (uncredited)
Acting
Lauren Laperriere
Mental Patient (uncredited)
Acting
Thomas Dings
Teenager (uncredited)
Acting
Leah Procito
Doctor (uncredited)
Acting
Alex Wolff
Party Friend (uncredited)
Acting
Xavier Dillingham
Party Goer (uncredited)
Acting
Jack Norton
Mental Patient (uncredited)
Acting
Daniel Martignetti
CT State Policeman (uncredited)
Acting