Rose Cotter

Sosie Bacon

Joel

Kyle Gallner

Trevor

Jessie T. Usher

Laura Weaver

Caitlin Stasey

Dr. Morgan Desai

Kal Penn

Dr. Madeline Northcott

Robin Weigert

Robert Talley

Rob Morgan

Victoria Muñoz

Judy Reyes

Nightmare Mom

Kevin Keppy

Holly

Gillian Zinser

Carl Renken

Jack Sochet

Greg

Nick Arapoglou

The Monstruosity

Marti Matulis

Mom

Dora Kiss

Detective Buckley

Perry Strong

Jackson

Matthew Lamb

Stephanie

Sara Kapner

Cocktail Party Guest (uncredited)

Jerry Lobrow

10 Year Old Rose

Meghan Brown Pratt

Prison Guard (uncredited)

Scot Teller

Orderly Dan

Jared Johnston

Nurse Wanda

Ura Yoana Sánchez

Nurse

Vanessa Cozart

Driver / Pedestrian (uncredited)

Setty Brosevelt

Officer Chan

Shu Q

Officer Wilkes

Shevy Gutierrez

Little girl

Athena Smiley

Deputy Sheriff

Steven Strickland

Yvonne

Asia Hernandez

Brash Colleague (uncredited)

Rachel Yong

Nurse (uncredited)

Nadia Ramdass

Officer Chan

Shu Qi

Gabriel Munoz (uncredited)

Felix Melendez Jr.

Psychiatric Patient (uncredited)

Elaine Apruzzese

Drug Party Girl (uncredited)

Shanea Lattimore

Prison Guard

Joe Tornatore