Maddy

Danielle Panabaker

Acting

Barry

Matt Bush

Acting

Shelby

Katrina Bowden

Acting

Josh

Jean-Luc Bilodeau

Acting

Chet

David Koechner

Acting

Kyle

Chris Zylka

Acting

Big Dave

Adrian Martinez

Acting

Travis

Paul James Jordan

Acting

Ashley

Meagan Tandy

Acting

David Hasselhoff

David Hasselhoff

Acting

Mr. Goodman

Christopher Lloyd

Acting

Andrew

Paul Scheer

Acting

Clayton

Gary Busey

Acting

Mo

Clu Gulager

Acting

Bethany

Sierra Fisk

Acting

Freckled Boy

Matt Lintz

Acting

Young Mother

Sylvia Jefferies

Acting

Rochelle

Jenna Hurt

Acting

Dawn

Rozlyn Papa

Acting

Hysteric / Stocky Woman

Alisa Harris

Acting

Fearful Woman

Stacy Rabon

Acting

Waterpark Patron

Nate Panning

Acting

Bimbo Lifeguard

Kathy Sue Holtorf

Acting

Kiki

Irina Voronina

Acting

Deputy Fallon (uncredited)

Ving Rhames

Acting

Massacre victim (uncredited)

Sarah Wilson

Acting

Lizzie the Lifeguard (uncredited)

Katie Garner

Acting

Wet T-Shirt Girl (uncredited)

Lilith Fury

Acting

Lifeguard (uncredited)

Tabitha Taylor

Acting