Nicholas Braun

as Dag Parker

Mackenzie Davis

as Petra Lane

Josh Fadem

as Ned Mosely

Vanessa Hudgens

as Lorelei

Ed Westwick

as Milan

Keegan-Michael Key

as Mr. Keller

Joan Cusack

as Peg Parker

Bob Odenkirk

as Shooter Parker

Chris Zylka

as Chaz Jr

Cerina Vincent

as Daisy

Patton Oswalt

as Stuart Miller

Denis Leary

as Rick Wilson

Rachael Harris

as Mrs. Mosely

Utkarsh Ambudkar

as Dominguez

Pat Healy

as Actor

Aurora Perrineau

as Vampiress

Ian Roberts

as Chaz Sr

Werner Herzog

as Perfect Being (voice)

Mae Whitman

as Jenna Zombie

Beverly Randolph

as Zombie Mom (uncredited)

Shelby Fero

as Goth girl #2

John Ennis

as Coach Pulcifer

Irene Choi

as Goth girl #1

Utkarsh Ambudkar

as Parminder

Lavelle Roby

as Mrs. Franklin

Mike Mitchell

as Slushy Douche

Jacob Eddington

as Young Dag

Derek Mears

as Wolf

Craig Braun

as Voice from Crowd

Gabriel Pimentel

as Tiny Perfect Being

Momo Yashima

as Overly Racist Vamp #1

Ryan Mirvis

as Overtly Racist Vamp #2

Julie Brister

as Overtly Racist Citizen

Roxana Ortega

as Concerned Citizen Jane

Tom Clark

as Concerned Citizen Tom

Natalie Palamides

as Kathy Murch

Brian Peck

as Zombie Dad (uncredited)

Max Wright

as Young Ned

John Wrightson

as Janitor Zombie (uncredited)