I Know What You Did Last Summer

I Know What You Did Last Summer is a 1997 American slasher film directed by Jim Gillespie, written by Kevin Williamson, and starring Jennifer Love Hewitt, Sarah Michelle Gellar, Ryan Phillippe and Freddie Prinze Jr. It is loosely based on the 1973 novel of the same name by Lois Duncan[5] and is the first installment in the I Know What You Did Last Summer franchise. The film centers on four young friends who are stalked by a hook-wielding killer one year after covering up a car accident in which they killed a man. The film also draws inspiration from the urban legend known as "The Hook" and the 1980s slasher films Prom Night (1980) and The House on Sorority Row (1982).

I Know What You Did Last Summer
Theatrical release poster
Directed byJim Gillespie
Screenplay byKevin Williamson
Based onI Know What You Did Last Summer
by Lois Duncan
Produced by
CinematographyDenis Crossan
Edited bySteve Mirkovich
Music byJohn Debney
Distributed byColumbia Pictures[1]
Release date
  • October 17, 1997 (1997-10-17)[2]
Running time
101 minutes
CountryUnited States
Budget$17 million[3][4]
Box office$125.3 million[3]

Prior to Scream Williamson was approached to adapt Duncan's source novel by producer Erik Feig. Where Williamson's screenplay for Scream contained prominent elements of satire and self-referentiality, his adaptation of I Know What You Did Last Summer reworked the novel's central plot to resemble a straightforward 1980s-era slasher film.[6] After the success of Scream, the film was rushed into production.

I Know What You Did Last Summer was released theatrically on October 17, 1997. It received mixed reviews from critics, but was commercially successful, grossing $125 million worldwide on a budget of $17 million, and remaining number 1 at the U.S. box office for three consecutive weeks. It was also nominated for and won multiple awards.[7]

The film was followed by two sequels, I Still Know What You Did Last Summer (1998) and I'll Always Know What You Did Last Summer (2006). I Know What You Did Last Summer has also been parodied and referenced in popular culture,[8] and credited alongside Scream with revitalizing the slasher genre in the 1990s.[9]

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