Last Summer 3D is the 2015 sequel to I Know What You Did Last Summer (1997) and I Still Know What You Did Last Summer (1998), it ignores the film I'll Always Know What You Did Last Summer entirely. It is written by Kevin Williamson, who wrote the original film. It stars Logan Lerman, Lily Collins, Michael B. Jordan, Kat graham, Rosie Huntington-Whitely, Alexis Knapp, Sean Faris, William Mosely, Anton Yelchin, Mary Louise-Parker, Nicollette Sheridan, Woody Harrelson, Simon Baker, William H. Macy and Billy Crudup.