.Adventure/Horror. Directed by Steven Spielberg. . (Color, 1975, USA, 124 minutes, rated PG). 50th Anniversary release. Starring Roy Scheider, Robert Shaw, Richard Dreyfuss, Lorraine Gary, Murray Hamilton, Carl Gottlieb. It's a hot summer on Amity Island, a small community whose primary business is its beaches.  A predator kills a young boy. The dead boy's mother puts out a bounty on the shark, and Amity is soon swamped with amateur hunters and fishermen hoping to cash in on the reward.  As Brody succinctly surmises after their first encounter with the creature, they will need a bigger boat.