"The heat of a meteor crashing into the lake incubates a prehistoric egg, which grows into a plesiosaur-like monster that terrifies the community."
Richard Cardella
as Sheriff Steve Hanson
Glen Roberts
as Arnie Chabot
Mark Siegel
as Mitch Kowalski
Bob Hyman
as Richard 'Doc' Calkins
Richard Garrison
as Dan Turner
Kacey Cobb
as Susan Patterson
Michael F. Hoover
as Ross Conway
Suzanne Lewis
as Paula Conway
Marc Eliot
as Jack Fuller
Garry Johnston
as Blackmailer
Sonny Shepard
as Robber
John Crowder
as Mechanic
Susy Claycomb
as Waitress
Hal Scharn
as Birdwatcher
Mike Simmons
as Store Clerk
Mary Winford
as Lady Customer
Jim Goeppinger
as Villager
Joe Sasway
as Ferguson
Nancy Grossman
Editor
Sound Director
Meg Hodgetts
Makeup Artist
William R. Stromberg
Story
Steve Neill
Mechanical & Creature Designer
Screenplay
Elaine Stromberg
Armando Norte
Storyboard
Paul Gentry
Second Unit
Director
Steven Nielson
Roger Heisman
Production Design
Bill Dickinson
Special Effects
Director of Photography
Phil Tippett
Visual Effects