Horror / Thriller / Comedy /

Score: 43.2%( 1107 votes )

Overview: After the events at Lake Victoria, the prehistoric school of blood-thirsty piranhas make their way into swimming pools, plumbing, and a newly opened water park.

Cast:

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)