A wealthy, young academic who arrives in Amity with an extensive knowledge of marine life to aid in handling the crisis facing the town. His presence and approach often clash with the local culture and expectations.

The wife of Martin Brody, Ellen comes from a wealthy background and experiences cultural and personal tensions between her past and her present life in Amity. Her character embodies the broader social and internal conflicts present in the town.

An experienced fisherman known for his unyielding drive to hunt sharks, who becomes an essential figure in the effort to resolve Amity's crisis. Quint's character is defined by his direct and fearless approach to the challenges of the sea.

The mayor of Amity, Vaughan prioritizes the town's economy and reputation, often favoring them over public safety concerns. His actions and motivations have significant implications for the community and the unfolding events.