I Know What You Did Last Summer

I Know What You Did Last Summer is an American horror film franchise consisting of three slasher films and one television series, loosely based on the novel of the same name by Lois Duncan. The first installment was written by Kevin Williamson, directed by Jim Gillespie, and released in 1997. The first two installments star Jennifer Love Hewitt, Freddie Prinze Jr. and Muse Watson. In addition, the supporting cast includes: Sarah Michelle Gellar, Ryan Phillippe and Johnny Galecki in the first film, with Brandy, Mekhi Phifer and Matthew Settle in the second film. Novel In 1973, Lois Duncan's I Know What You Did Last Summer was published. It was republished as a tie-in to the film in 1997 and once again in 2018 with some of its content modernized. The film adaptation reenvisioned the story of the novel as a violent slasher film, as opposed to the slow-burn mystery nature of the novel.