Your vote on this answer has already been received
Neve Campbell as Sidney Prescott: The main character and protagonist of the film (as well as the rest of the trilogy). Sidney is going through a rough time throughout the film, dealing with problems such as the anniversary of her mother Maureen's murder, as well as her boyfriend wanting to lose their virginity to each other. She has a rivalry with the obnoxious news-reporter Gale Weathers due to her writing a book filled with lies and rumors about her mother's murder trial. Along with Gale, Sidney manages to defeat the killer at the end of the film.