Piranha
Voltar
Bradford DillmanPaul Grogan
Heather MenziesMaggie McKeown
Kevin McCarthyDr. Robert Hoak
Keenan WynnJack
Dick MillerBuck Gardner
Barbara SteeleDr. Mengers
Belinda BalaskiBetsy
Melody Thomas ScottLaura Dickinson
Bruce GordonColonel Waxman
Barry BrownTrooper
Paul BartelMr. Dumont- Shannon CollinsSuzie Grogan
- Shawn NelsonWhitney
Richard DeaconEarl Lyon- Janie SquireBarbara Randolph
- Roger RichmanDavid
- Bill SmillieJailer
Guich KoockTV Pitchman- Jack PaulesonBoy in Canoe
- Eric HenshawFather in Canoe
- Robert VinsonSoldier
- Virginia DunnamGirl
- Diamond FarnsworthWater-skier
Bruce Paul BarbourMan in Boat- Robyn RayScreaming Woman
- Mike SullivanDam Guard
- Jack CardwellBrandy
- Sally BondiSwimming Deb (sem créditos)
Eric BraedenDr. Robert Hoak (swimming double) (sem créditos)
Joe DanteScuba Diver #2 (sem créditos)
Amy Holden JonesHertz Clerk (sem créditos)- Andrew G. La MarcaScuba Diver #1 (sem créditos)
John SaylesArmy Sentry (sem créditos)
Phil TippettScuba Diver (sem créditos)