I Know What You Did Last Summer (1997) - A British Quad Cinema PosterDirector Jim Gillespies American Slasher Film I Know What You Did Last Summer formed the perfect dessert following on from Screams main course released earlier in 1997. The unique premise of four friends bound by a tragic accident & then stalked by a hook wielding maniac became an instant hit with audiences around the World. And many of them were enticed by the Film Studios compelling marketing campaign, such as this original British Quad Poster.