Jay Gatsby, born James Gatz, is a mysterious millionaire known for his lavish parties. He befriends his neighbor Nick to reconnect with Daisy Buchanan, his lost love, whom he is determined to win back.

Daisy Buchanan is a beautiful and wealthy socialite from Louisville, married to Tom Buchanan. She is the object of Gatsby's affection and symbolizes the elusiveness of the American Dream.

Tom Buchanan is Daisy's wealthy and aristocratic husband, known for his boorish behavior and infidelity. He serves as the novel's antagonist, stirring conflict among the characters.

Jordan Baker is a professional golfer and Nick's romantic interest. She represents the flapper ideal and challenges traditional gender roles, albeit with a lack of moral integrity.

Myrtle Wilson is Tom's mistress and the wife of George Wilson, owner of a local garage. She aspires to a life of wealth and luxury, seeing Tom as her escape from her working-class existence.

George Wilson is Myrtle's husband and a struggling garage owner. He becomes entangled in the tragic events surrounding the rich characters, ultimately suffering greatly from their destructive actions.