Casting

Director

Joe Dante

Producer

Jon Davison

Executive Producer

Roger Corman, Jeff Schechtman

Screenplay

John Sayles

Story

John Sayles, Richard Robinson

Original Music Composer

Pino Donaggio

Director of Photography

Jamie Anderson

Editor

Joe Dante, Mark Goldblatt

Stunt Coordinator

Conrad E. Palmisano

Art Direction

Bill Mellin, Kerry Mellin

Set Decoration

Jeff Ayers

Bradford Dillman
Bradford DillmanPaul Grogan
Heather Menzies
Heather MenziesMaggie McKeown
Kevin McCarthy
Kevin McCarthyDr. Robert Hoak
Keenan Wynn
Keenan WynnJack
Dick Miller
Dick MillerBuck Gardner
Barbara Steele
Barbara SteeleDr. Mengers
Belinda Balaski
Belinda BalaskiBetsy
Melody Thomas Scott
Melody Thomas ScottLaura Dickinson
Bruce Gordon
Bruce GordonColonel Waxman
Barry Brown
Barry BrownTrooper
Paul Bartel
Paul BartelMr. Dumont
?
Shannon CollinsSuzie Grogan
?
Shawn NelsonWhitney
Richard Deacon
Richard DeaconEarl Lyon
?
Janie SquireBarbara Randolph
?
Roger RichmanDavid
?
Bill SmillieJailer
Guich Koock
Guich KoockTV Pitchman
?
Jack PaulesonBoy in Canoe
?
Eric HenshawFather in Canoe
?
Robert VinsonSoldier
?
Virginia DunnamGirl
?
Diamond FarnsworthWater-skier
Bruce Paul Barbour
Bruce Paul BarbourMan in Boat
?
Robyn RayScreaming Woman
?
Mike SullivanDam Guard
?
Jack CardwellBrandy
?
Sally BondiSwimming Deb (uncredited)
Eric Braeden
Eric BraedenDr. Robert Hoak (swimming double) (uncredited)
Joe Dante
Joe DanteScuba Diver #2 (uncredited)
Amy Holden Jones
Amy Holden JonesHertz Clerk (uncredited)
?
Andrew G. La MarcaScuba Diver #1 (uncredited)
John Sayles
John SaylesArmy Sentry (uncredited)
Phil Tippett
Phil TippettScuba Diver (uncredited)