Sarah Michelle Gellar - I Know What You Did Last Summer Trailer

I Know What You Did Last Summer is a 1997 American horror film based loosely off the book by Lois Duncan of the same name. The film stars Jennifer Love Hewitt, Sarah Michelle Gellar, Ryan Phillippe and Freddie Prinze Jr. The screenplay was written by Kevin Williamson, writer of Scream. The film was followed by two sequels, I Still Know What You Did Last Summer and the straight-to-DVD release I'll Always Know What You Did Last Summer. The latter film did not star any of the cast from the previous two films.