Roy Scheider
Police Chief Martin Brody
Robert Shaw
Quint
Richard Dreyfuss
Matt Hooper
Lorraine Gary
Ellen Brody
Murray Hamilton
Mayor Larry Vaughn
Carl Gottlieb
Meadows
Jeffrey Kramer
Hendricks
Susan Backlinie
Chrissie
Jonathan Filley
Cassidy
Ted Grossman
Estuary Victim
Chris Rebello
Michael Brody
Jay Mello
Sean Brody
Lee Fierro
Mrs. Kintner
Jeffrey Voorhees
Alex Kintner
Craig Kingsbury
Ben Gardner
Phil Murray
Mr. Taft
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)