Catherine Tramell is a fictional character from the 1992 film Basic Instinct, directed by Paul Verhoeven. She is portrayed by actress Sharon Stone and is known for her intelligence, charm, and enigmatic personality. Tramell is a successful crime novelist who becomes embroiled in a murder investigation, drawing the attention of law enforcement. In the film, Tramell's character is both alluring and dangerous, often blurring the lines between victim and perpetrator. Her complex relationships with the police, particularly with detective Nick Curran, played by Michael Douglas, add depth to the story, making her a memorable figure in cinematic history.