Danielle Panabaker

Maddy

Matt Bush

Barry

Katrina Bowden

Shelby

Jean-Luc Bilodeau

Josh

David Koechner

Chet

Chris Zylka

Kyle

Adrian Martinez

Big Dave

Paul James Jordan

Travis

Meagan Tandy

Ashley

David Hasselhoff

David Hasselhoff

Christopher Lloyd

Mr. Goodman

Paul Scheer

Andrew

Gary Busey

Clayton

Clu Gulager

Mo

Sierra Fisk

Bethany

Matt Lintz

Freckled Boy

Sylvia Jefferies

Young Mother

Jenna Hurt

Rochelle

Rozlyn Papa

Dawn

Alisa Harris

Hysteric / Stocky Woman

Stacy Rabon

Fearful Woman

Nate Panning

Waterpark Patron

Kathy Sue Holtorf

Bimbo Lifeguard

Irina Voronina

Kiki

Ving Rhames

Deputy Fallon (uncredited)

Sarah Wilson

Massacre victim (uncredited)

Katie Garner

Lizzie the Lifeguard (uncredited)

Lilith Fury

Wet T-Shirt Girl (uncredited)

Tabitha Taylor

Lifeguard (uncredited)

Bo Webb

"A" Camera Operator

Josh Stolberg

Characters

Kirk M. Morri

Editor

Mark Canton

Producer

Joel Soisson

Producer

Elia Cmiral

Original Music Composer

Marcus Dunstan

Writer

Patrick Melton

Writer

Martin Bernfeld

Editor

Nancy Nayor

Casting

Ermanno Di Febo-Orsini

Production Design

John Gulager

Director

Pete Goldfinger

Characters

Devin C. Lussier

Editor

Joel Soisson

Writer

Marc Toberoff

Producer

Alexandre Lehmann

Director of Photography

Pratik Chaudhari

Visual Effects

Jennifer Badger

Stunt Double

Tina Fuchs Wanner

Stunt Double

Dino Muccio

Utility Stunts

Angelique Fawcette

Stunt Double

Ashley Cusato

Utility Stunts

Jeremy Owens

Stunts

Kari Delaney

Key Hair Stylist

Alisa Fredericks

First Assistant Director

Holly Sago

Key Makeup Artist

Mike Flicker

Supervising Music Editor

Alexander Pugh

Sound Effects Editor

Jeff Lietz

Visual Effects Supervisor

Matt Friedman

Music Editor

Amber Harley

Script Supervisor

Cecilia Veradi

Makeup Department Head

David Beavis

Special Effects Supervisor

Victor M. Giarrusso

Costume Supervisor

Richard Glasser

Music Supervisor

John Copeman

Stunt Coordinator

Catherine Bayley

Key Costumer

Jason Salzman

Production Coordinator

Trip Brock

Supervising Sound Editor

Emma Madeline Ross

Art Department Coordinator

Thurston Edwards

Set Decoration

Carol Cutshall

Costume Design

Peter D. Lago

Sound Effects Editor

Harvey Weinstein

Executive Producer

Keith Levine

Executive Producer's Assistant

Bob Weinstein

Executive Producer

Jackie Johnson

Dialogue Editor

Ian Shedd

Dialogue Editor