Kaboom

Thomas Dekker

Smith

Haley Bennett

Stella

Chris Zylka

Thor

Roxane Mesquida

Lorelei

Juno Temple

London

James Duval

The Messiah

Andy Fischer-Price

Rex

Brandy Futch

Drug Fairy Nymph (uncredited)

Nicole LaLiberte

Red-Haired Girl

Kelly Lynch

Nicole

Brennan Mejia

Oliver

Carlo Mendez

Milo

Jason Olive

Hunter

Christine Nguyen

Freshman Bimbo

Michael James Spall

Smith's Dad

Sean Bresnahan

Surgeon (uncredited)