Delirium

Emma Roberts

Lena Holoway

Billy Campbell

Thomas Fineman

Erin Cahill

Rachel Holoway

Michael Michele

Elyse Hargrove

Jeanine Mason

Hana Tate

Melinda McGraw

Lydia

Corey Reynolds

Tack

Gregg Sulkin

Julian Fineman

Ian Anthony Dale

Liam

Daren Kagasoff

Alex Sheathes

Linc Hand

Officer

Delon de Metz

Frederick Hargrove

Jack Guzman

Officer 303

Brenda Koo

Ren

Santiago Segura

Billy

Melinda Y. Cohen

Lena's Mother

Lauren Neal

Taylor

Link Baker

Cop

Jonathan Spencer

Humorless Scientist

Jason Sims-Prewitt

C.O.

Tim Mikulecky

David Haloway

Karen Constantine

Mrs. Rogers H.S. Teacher

Errol Sack

Swat Guy

Candy Richardz

Officer (credit only)

Ryan Groves

Rebel

Michelle Alvarado Martins

Teenager

Mel McComb

Janice

Tilda Del Toro

Police Officer (uncredited)

Rodrigo García

Director

Lauren Oliver

Novel

Katherine Pope

Executive Producer

Igor Jadue-Lillo

Director of Photography

Karyn Usher

Script

Helena Barrett

Stunt Double

Jacob Yoffee

Original Music Composer