Leah Pipes as Melanie

Josh Henderson as Penn

Kristin Cavallari as Crystal

Lou Diamond Phillips as Doug

Andrew Lawrence as Mitch

Sally Kirkland as Mary

Geoffrey Lewis as Keeler

Luka Apt as Luke

Justine Basil as Emily

Morgan Brown as Reynolds

J.R. Cooke as Cop #1

Darryl Cox as Edward

Dylan Cox as Shawn

Payton Dunham as Richard

Megan Duplan as Ghost

Brandon H. Fields as Paramedic

Kelsey Frederickson as Jessica

Ginger Gilmartin as Bethany

Sydnee Harlan as Julie

Glen Jensen as Kowalski

Ty Oliver as Chuck

Gracie Veneklasen as Little Mary

Ashley Wyatt as Carolyn

Amos Ralston as Truck Driver (uncredited)

Mighty Swag as Boy in library