Parasite is a 2019 South Korean black comedy social thriller film directed by Bong Joon-ho, who also co-wrote the screenplay with Han Jin-won. It stars Song Kang-ho, Lee Sun-kyun, Cho Yeo-jeong, Choi Woo-shik, Park So-dam, Jang Hye-jin, and Lee Jung-eun and follows the members of a poor family who scheme to become employed by a wealthy family by infiltrating their household and posing as unrelated, highly qualified individuals.