Danielle Panabaker
Maddy
Acting
Matt Bush
Barry
Acting
Katrina Bowden
Shelby
Acting
Jean-Luc Bilodeau
Josh
Acting
David Koechner
Chet
Acting
Chris Zylka
Kyle
Acting
Adrian Martinez
Big Dave
Acting
Paul James Jordan
Travis
Acting
Meagan Tandy
Ashley
Acting
David Hasselhoff
David Hasselhoff
Acting
Christopher Lloyd
Mr. Goodman
Acting
Paul Scheer
Andrew
Acting
Gary Busey
Clayton
Acting
Clu Gulager
Mo
Acting
Sierra Fisk
Bethany
Acting
Matt Lintz
Freckled Boy
Acting
Sylvia Jefferies
Young Mother
Acting
Jenna Hurt
Rochelle
Acting
Rozlyn Papa
Dawn
Acting
Alisa Harris
Hysteric / Stocky Woman
Acting
Stacy Rabon
Fearful Woman
Acting
Nate Panning
Waterpark Patron
Acting
Kathy Sue Holtorf
Bimbo Lifeguard
Acting
Irina Voronina
Kiki
Acting
Ving Rhames
Deputy Fallon (uncredited)
Acting
Sarah Wilson
Massacre victim (uncredited)
Acting
Katie Garner
Lizzie the Lifeguard (uncredited)
Acting
Lilith Fury
Wet T-Shirt Girl (uncredited)
Acting
Tabitha Taylor
Lifeguard (uncredited)
Acting