William Katt
Paul Grogan
Doctor Baines has been conducting genetic experiments on piranhas and has made them virtually unstoppable. Unfortunately, his assistants, Maggie and Paul, accidentally release the hybrids into the Lost River Lake threatening to destroy everyone in their path. Can they prevent the flesh-eating piranhas from escaping into the ocean and spawning?
Paul Grogan
Maggie McNamara
J.R. Randolph
Dr. Leticia Baines
Susie Grogan
Laura
Gina Green
Governor
Jimmy
Whitney
Darlene
Sheriff Carl
Dave
Barbara
Terry Wechsler
Jack
Betsy
Trooper
Earl Lyon
Camp Counselor
Director
