Delirium

Emma Roberts

as Lena Holoway

Billy Campbell

as Thomas Fineman

Erin Cahill

as Rachel Holoway

Michael Michele

as Elyse Hargrove

Jeanine Mason

as Hana Tate

Melinda McGraw

as Lydia

Corey Reynolds

as Tack

Gregg Sulkin

as Julian Fineman

Ian Anthony Dale

as Liam

Daren Kagasoff

as Alex Sheathes

Linc Hand

as Officer

Delon de Metz

as Frederick Hargrove

Jack Guzman

as Officer 303

Brenda Koo

as Ren

Santiago Segura

as Billy

Melinda Y. Cohen

as Lena's Mother

Lauren Neal

as Taylor

Link Baker

as Cop

Jonathan Spencer

as Humorless Scientist

Jason Sims-Prewitt

as C.O.

Tim Mikulecky

as David Haloway

Karen Constantine

as Mrs. Rogers H.S. Teacher

Errol Sack

as Swat Guy

Candy Richardz

as Officer (credit only)

Ryan Groves

as Rebel

Michelle Alvarado Martins

as Teenager

Mel McComb

as Janice

Tilda Del Toro

as Police Officer (uncredited)