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)