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