The Southport gang has done a lot since their encounter with the mysterious hook-wielding fisherman.Sarah Michelle Gellar as Helen Shivers, Jennifer Love Hewitt as Julie James, and Ryan Phillippe as Barry Cox in ‘I Know What You Did Last Summer’Credit: EverettWe will never forget what Jennifer Love Hewitt, Sarah Michelle Gellar, Ryan Phillippe, and Freddie Prinze Jr. did that one fateful summer in the ‘90s.Released in 1997, I Know What You Did L…