Mimic is a 1997 American science fiction horror film directed by Guillermo del Toro, written by del Toro and Matthew Robbins, and based on Donald A. Wollheim's short story of the same name. The film stars Mira Sorvino, Jeremy Northam, Josh Brolin, F. Murray Abraham, and Charles S. Dutton. Its plot follows the creation of a genetically modified insect, designed to battle an infected cockroach infestation, that rapidly evolves and begins attacking humans.