Brook Wilder
Daniel Wilder
Hamilton Lux
Professor Bill Girdler
Professor Phillip Wilder
Amy Zuckerman
Kane Markus
Pastor Herman
Sheriff Dexter Murray
Clint Duran
Bess Wilder
George Banks
Brenda
Kim Wilder
Tia
Heather
Michelle
Heather's Mom
Stacy
Alice
Kayak Girl
Medical Intern
Shark victim
Mayor
Heather's Dad
Davey Ballew
Nick Atkins
Al Maynard
Weezer
Lifeguard
TV News Reporter
Security Guard
Greg
Doctor Taylor
Weaver
Chris
Bob the Tow Truck Driver
Dirk Wilder
Innertube Victim
Reporter (uncredited)