A young girl is killed at the beach in Malibu. Professor Otto Lindsay suspects that it is some form of mutated fish. However, his son Richard, who was a good friend of the girl, thinks that it is a madman who has a grudge against Richard and his friends. Soon the list of victims grows.
Jon Hall
as Dr. Otto Lindsay
Sue Casey
as Vicky Lindsay
Elaine DuPont
as Jane
Arnold Lessing
as Richard Lindsay
Read Morgan
as Sheriff Michaels
Carolyn Williamson
as Sue
Gloria Neil
as Bunny
Kal Roberts
as Brad
Clyde Adler
as Deputy Scott
Walker Edmiston
as Mark
