Ted Grossman
Estuary Victim
Chris Rebello
Michael Brody
Jeffrey Voorhees
Alex Kintner
Craig Kingsbury
Ben Gardner
Robert Nevin
Medical Examiner
Peter Benchley
Interviewer
Fritzi Jane Courtney
Mrs. Taft (uncredited)
David Engelbach
Research Assistant (uncredited)
Dorothy Fielding
Girl in Music Store (uncredited)
Joe La Creta
Barwood (uncredited)
Belle McDonald
Mrs. Posner (uncredited)
Joseph Oliveira
Swimmer (uncredited)
Beverly Powers
Topless Swimmer (uncredited)
Ayn Ruymen
Nurse (uncredited)
Christopher Sands
Lifeguard (uncredited)
Steven Spielberg
Amity Point Lifestation Worker (voice) (uncredited)
Rex Trailer
Scout Master (uncredited)
Robin Lebert
Screaming Swimmer (uncredited)