Horror / Science Fiction /

Score: 59.6%( 716 votes )

Overview: When flesh-eating piranhas are accidently released into a summer resort's rivers, the guests become their next meal.

Cast:

Bradford Dillman
Paul Grogan

Heather Menzies
Maggie McKeown

Kevin McCarthy
Dr. Robert Hoak

Keenan Wynn
Jack

Dick Miller
Buck Gardner

Barbara Steele
Dr. Mengers

Belinda Balaski
Betsy

Melody Thomas Scott
Laura Dickinson

Bruce Gordon
Colonel Waxman

Barry Brown
Trooper

Paul Bartel
Mr. Dumont

Shannon Collins
Suzie Grogan

Shawn Nelson
Whitney

Richard Deacon
Earl Lyon

Janie Squire
Barbara Randolph

Roger Richman
David

Bill Smillie
Jailer

Guich Koock
TV Pitchman

Jack Pauleson
Boy in Canoe

Eric Henshaw
Father in Canoe

Robert Vinson
Soldier

Virginia Dunnam
Girl

Diamond Farnsworth
Water-skier

Bruce Paul Barbour
Man in Boat

Robyn Ray
Screaming Woman

Mike Sullivan
Dam Guard

Jack Cardwell
Brandy

Sally Bondi
Swimming Deb (uncredited)

Eric Braeden
Dr. Robert Hoak (swimming double) (uncredited)

Joe Dante
Scuba Diver #2 (uncredited)

Amy Holden Jones
Hertz Clerk (uncredited)

Andrew G. La Marca
Scuba Diver #1 (uncredited)

John Sayles
Army Sentry (uncredited)

Phil Tippett
Scuba Diver (uncredited)