James Farentino as Sheriff Dan Gillis

Melody Anderson as Janet Gillis

Jack Albertson as William G. Dobbs

Dennis Redfield as Ron

Nancy Locke as Linda

Lisa Blount as Girl on the Beach / Nurse Lisa

Robert Englund as Harry

Bill Quinn as Ernie

Michael Currie as Herman

Christopher Allport as George Le Moyne / Freddie

Joseph G. Medalis as Doctor

Macon McCalman as Ben

Lisa Marie as Hitchhiker

Estelle Omens as Betty

Barry Corbin as Phil

Linda Shusett as Waitress

Ed Bakey as Fisherman

Glenn Morshower as Jimmy

Robert Boler as Mr. Haskell

Michael Pataki as Sam

Jill Fosse as Nurse

Mark Courtney as Jamie

Michael Courtney as Jamie

Renee McDonell as Girl #1

Dottie Catching as Lady Car Passenger

Colby Smith as Femal Stranger

Judy Ashton as Joyce

Anthony Cecere as Townsperson (uncredited)

Bill Couch Jr. as Townsperson (uncredited)

Bill Couch as Townsperson (uncredited)

Angelo De Meo as Townsperson (uncredited)